391316940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:698

約数の個数: 288

約数和(自身を含む): 1480066560

約数和(自身を除く): 1088749620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 49, 54, 60, 63, 69, 70, 84, 90, 92, 98, 105, 108, 115, 126, 135, 138, 140, 147, 161, 180, 189, 196, 207, 210, 230, 245, 252, 270, 276, 294, 315, 322, 345, 378, 414, 420, 441, 460, 483, 490, 540, 588, 621, 630, 643, 644, 690, 735, 756, 805, 828, 882, 945, 966, 980, 1035, 1127, 1242, 1260, 1286, 1323, 1380, 1449, 1470, 1610, 1764, 1890, 1929, 1932, 2070, 2205, 2254, 2415, 2484, 2572, 2646, 2898, 2940, 3105, 3215, 3220, 3381, 3780, 3858, 4140, 4347, 4410, 4501, 4508, 4830, 5292, 5635, 5787, 5796, 6210, 6430, 6615, 6762, 7245, 7716, 8694, 8820, 9002, 9645, 9660, 10143, 11270, 11574, 12420, 12860, 13230, 13503, 13524, 14490, 14789, 16905, 17361, 17388, 18004, 19290, 20286, 21735, 22505, 22540, 23148, 26460, 27006, 28935, 28980, 29578, 30429, 31507, 33810, 34722, 38580, 40509, 40572, 43470, 44367, 45010, 50715, 54012, 57870, 59156, 60858, 63014, 67515, 67620, 69444, 73945, 81018, 86805, 86940, 88734, 90020, 94521, 101430, 103523, 115740, 121527, 121716, 126028, 133101, 135030, 147890, 152145, 157535, 162036, 173610, 177468, 189042, 202545, 202860, 207046, 221835, 243054, 266202, 270060, 283563, 295780, 304290, 310569, 315070, 347220, 378084, 399303, 405090, 414092, 443670, 472605, 486108, 517615, 532404, 567126, 607635, 608580, 621138, 630140, 665505, 724661, 798606, 810180, 850689, 887340, 931707, 945210, 1035230, 1134252, 1215270, 1242276, 1331010, 1417815, 1449322, 1552845, 1597212, 1701378, 1863414, 1890420, 1996515, 2070460, 2173983, 2430540, 2662020, 2795121, 2835630, 2898644, 3105690, 3402756, 3623305, 3726828, 3993030, 4253445, 4347966, 4658535, 5590242, 5671260, 6211380, 6521949, 7246610, 7986060, 8506890, 8695932, 9317070, 10869915, 11180484, 13043898, 13975605, 14493220, 17013780, 18634140, 19565847, 21739830, 26087796, 27951210, 32609745, 39131694, 43479660, 55902420, 65219490, 78263388, 97829235, 130438980, 195658470, 391316940]

約数ペア:

[(1, 391316940), (2, 195658470), (3, 130438980), (4, 97829235), (5, 78263388), (6, 65219490), (7, 55902420), (9, 43479660), (10, 39131694), (12, 32609745), (14, 27951210), (15, 26087796), (18, 21739830), (20, 19565847), (21, 18634140), (23, 17013780), (27, 14493220), (28, 13975605), (30, 13043898), (35, 11180484), (36, 10869915), (42, 9317070), (45, 8695932), (46, 8506890), (49, 7986060), (54, 7246610), (60, 6521949), (63, 6211380), (69, 5671260), (70, 5590242), (84, 4658535), (90, 4347966), (92, 4253445), (98, 3993030), (105, 3726828), (108, 3623305), (115, 3402756), (126, 3105690), (135, 2898644), (138, 2835630), (140, 2795121), (147, 2662020), (161, 2430540), (180, 2173983), (189, 2070460), (196, 1996515), (207, 1890420), (210, 1863414), (230, 1701378), (245, 1597212), (252, 1552845), (270, 1449322), (276, 1417815), (294, 1331010), (315, 1242276), (322, 1215270), (345, 1134252), (378, 1035230), (414, 945210), (420, 931707), (441, 887340), (460, 850689), (483, 810180), (490, 798606), (540, 724661), (588, 665505), (621, 630140), (630, 621138), (643, 608580), (644, 607635), (690, 567126), (735, 532404), (756, 517615), (805, 486108), (828, 472605), (882, 443670), (945, 414092), (966, 405090), (980, 399303), (1035, 378084), (1127, 347220), (1242, 315070), (1260, 310569), (1286, 304290), (1323, 295780), (1380, 283563), (1449, 270060), (1470, 266202), (1610, 243054), (1764, 221835), (1890, 207046), (1929, 202860), (1932, 202545), (2070, 189042), (2205, 177468), (2254, 173610), (2415, 162036), (2484, 157535), (2572, 152145), (2646, 147890), (2898, 135030), (2940, 133101), (3105, 126028), (3215, 121716), (3220, 121527), (3381, 115740), (3780, 103523), (3858, 101430), (4140, 94521), (4347, 90020), (4410, 88734), (4501, 86940), (4508, 86805), (4830, 81018), (5292, 73945), (5635, 69444), (5787, 67620), (5796, 67515), (6210, 63014), (6430, 60858), (6615, 59156), (6762, 57870), (7245, 54012), (7716, 50715), (8694, 45010), (8820, 44367), (9002, 43470), (9645, 40572), (9660, 40509), (10143, 38580), (11270, 34722), (11574, 33810), (12420, 31507), (12860, 30429), (13230, 29578), (13503, 28980), (13524, 28935), (14490, 27006), (14789, 26460), (16905, 23148), (17361, 22540), (17388, 22505), (18004, 21735), (19290, 20286)]