399547260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:873

約数の個数: 288

約数和(自身を含む): 1532224512

約数和(自身を除く): 1132677252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 23, 28, 30, 34, 35, 36, 42, 45, 46, 51, 60, 63, 68, 69, 70, 84, 85, 90, 92, 102, 105, 115, 119, 126, 138, 140, 153, 161, 170, 180, 204, 207, 210, 230, 238, 252, 255, 276, 306, 315, 322, 340, 345, 357, 391, 414, 420, 460, 476, 483, 510, 595, 612, 630, 644, 690, 714, 765, 782, 805, 811, 828, 966, 1020, 1035, 1071, 1173, 1190, 1260, 1380, 1428, 1449, 1530, 1564, 1610, 1622, 1785, 1932, 1955, 2070, 2142, 2346, 2380, 2415, 2433, 2737, 2898, 3060, 3220, 3244, 3519, 3570, 3910, 4055, 4140, 4284, 4692, 4830, 4866, 5355, 5474, 5677, 5796, 5865, 7038, 7140, 7245, 7299, 7820, 8110, 8211, 9660, 9732, 10710, 10948, 11354, 11730, 12165, 13685, 13787, 14076, 14490, 14598, 16220, 16422, 17031, 17595, 18653, 21420, 22708, 23460, 24330, 24633, 27370, 27574, 28385, 28980, 29196, 32844, 34062, 35190, 36495, 37306, 41055, 41361, 48660, 49266, 51093, 54740, 55148, 55959, 56770, 68124, 68935, 70380, 72990, 74612, 82110, 82722, 85155, 93265, 96509, 98532, 102186, 111918, 113540, 123165, 124083, 130571, 137870, 145980, 164220, 165444, 167877, 170310, 186530, 193018, 204372, 206805, 223836, 246330, 248166, 255465, 261142, 275740, 279795, 289527, 317101, 335754, 340620, 373060, 386036, 391713, 413610, 482545, 492660, 496332, 510930, 522284, 559590, 579054, 620415, 634202, 652855, 671508, 783426, 827220, 839385, 868581, 951303, 965090, 1021860, 1119180, 1158108, 1175139, 1240830, 1268404, 1305710, 1447635, 1566852, 1585505, 1678770, 1737162, 1902606, 1930180, 1958565, 2219707, 2350278, 2481660, 2611420, 2853909, 2895270, 3171010, 3357540, 3474324, 3805212, 3917130, 4342905, 4439414, 4700556, 4756515, 5707818, 5790540, 5875695, 6342020, 6659121, 7834260, 8685810, 8878828, 9513030, 11098535, 11415636, 11751390, 13318242, 14269545, 17371620, 19026060, 19977363, 22197070, 23502780, 26636484, 28539090, 33295605, 39954726, 44394140, 57078180, 66591210, 79909452, 99886815, 133182420, 199773630, 399547260]

約数ペア:

[(1, 399547260), (2, 199773630), (3, 133182420), (4, 99886815), (5, 79909452), (6, 66591210), (7, 57078180), (9, 44394140), (10, 39954726), (12, 33295605), (14, 28539090), (15, 26636484), (17, 23502780), (18, 22197070), (20, 19977363), (21, 19026060), (23, 17371620), (28, 14269545), (30, 13318242), (34, 11751390), (35, 11415636), (36, 11098535), (42, 9513030), (45, 8878828), (46, 8685810), (51, 7834260), (60, 6659121), (63, 6342020), (68, 5875695), (69, 5790540), (70, 5707818), (84, 4756515), (85, 4700556), (90, 4439414), (92, 4342905), (102, 3917130), (105, 3805212), (115, 3474324), (119, 3357540), (126, 3171010), (138, 2895270), (140, 2853909), (153, 2611420), (161, 2481660), (170, 2350278), (180, 2219707), (204, 1958565), (207, 1930180), (210, 1902606), (230, 1737162), (238, 1678770), (252, 1585505), (255, 1566852), (276, 1447635), (306, 1305710), (315, 1268404), (322, 1240830), (340, 1175139), (345, 1158108), (357, 1119180), (391, 1021860), (414, 965090), (420, 951303), (460, 868581), (476, 839385), (483, 827220), (510, 783426), (595, 671508), (612, 652855), (630, 634202), (644, 620415), (690, 579054), (714, 559590), (765, 522284), (782, 510930), (805, 496332), (811, 492660), (828, 482545), (966, 413610), (1020, 391713), (1035, 386036), (1071, 373060), (1173, 340620), (1190, 335754), (1260, 317101), (1380, 289527), (1428, 279795), (1449, 275740), (1530, 261142), (1564, 255465), (1610, 248166), (1622, 246330), (1785, 223836), (1932, 206805), (1955, 204372), (2070, 193018), (2142, 186530), (2346, 170310), (2380, 167877), (2415, 165444), (2433, 164220), (2737, 145980), (2898, 137870), (3060, 130571), (3220, 124083), (3244, 123165), (3519, 113540), (3570, 111918), (3910, 102186), (4055, 98532), (4140, 96509), (4284, 93265), (4692, 85155), (4830, 82722), (4866, 82110), (5355, 74612), (5474, 72990), (5677, 70380), (5796, 68935), (5865, 68124), (7038, 56770), (7140, 55959), (7245, 55148), (7299, 54740), (7820, 51093), (8110, 49266), (8211, 48660), (9660, 41361), (9732, 41055), (10710, 37306), (10948, 36495), (11354, 35190), (11730, 34062), (12165, 32844), (13685, 29196), (13787, 28980), (14076, 28385), (14490, 27574), (14598, 27370), (16220, 24633), (16422, 24330), (17031, 23460), (17595, 22708), (18653, 21420)]