391258980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{587}}^1$

素因数の和:655

約数の個数: 216

約数和(自身を含む): 1420316352

約数和(自身を除く): 1029057372

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 529, 587, 630, 644, 690, 805, 828, 966, 1035, 1058, 1174, 1260, 1380, 1449, 1587, 1610, 1761, 1932, 2070, 2116, 2348, 2415, 2645, 2898, 2935, 3174, 3220, 3522, 3703, 4109, 4140, 4761, 4830, 5283, 5290, 5796, 5870, 6348, 7044, 7245, 7406, 7935, 8218, 8805, 9522, 9660, 10566, 10580, 11109, 11740, 12327, 13501, 14490, 14812, 15870, 16436, 17610, 18515, 19044, 20545, 21132, 22218, 23805, 24654, 26415, 27002, 28980, 31740, 33327, 35220, 36981, 37030, 40503, 41090, 44436, 47610, 49308, 52830, 54004, 55545, 61635, 66654, 67505, 73962, 74060, 81006, 82180, 94507, 95220, 105660, 111090, 121509, 123270, 133308, 135010, 147924, 162012, 166635, 184905, 189014, 202515, 222180, 243018, 246540, 270020, 283521, 310523, 333270, 369810, 378028, 405030, 472535, 486036, 567042, 607545, 621046, 666540, 739620, 810060, 850563, 931569, 945070, 1134084, 1215090, 1242092, 1417605, 1552615, 1701126, 1863138, 1890140, 2173661, 2430180, 2794707, 2835210, 3105230, 3402252, 3726276, 4252815, 4347322, 4657845, 5589414, 5670420, 6210460, 6520983, 8505630, 8694644, 9315690, 10868305, 11178828, 13041966, 13973535, 17011260, 18631380, 19562949, 21736610, 26083932, 27947070, 32604915, 39125898, 43473220, 55894140, 65209830, 78251796, 97814745, 130419660, 195629490, 391258980]

約数ペア:

[(1, 391258980), (2, 195629490), (3, 130419660), (4, 97814745), (5, 78251796), (6, 65209830), (7, 55894140), (9, 43473220), (10, 39125898), (12, 32604915), (14, 27947070), (15, 26083932), (18, 21736610), (20, 19562949), (21, 18631380), (23, 17011260), (28, 13973535), (30, 13041966), (35, 11178828), (36, 10868305), (42, 9315690), (45, 8694644), (46, 8505630), (60, 6520983), (63, 6210460), (69, 5670420), (70, 5589414), (84, 4657845), (90, 4347322), (92, 4252815), (105, 3726276), (115, 3402252), (126, 3105230), (138, 2835210), (140, 2794707), (161, 2430180), (180, 2173661), (207, 1890140), (210, 1863138), (230, 1701126), (252, 1552615), (276, 1417605), (315, 1242092), (322, 1215090), (345, 1134084), (414, 945070), (420, 931569), (460, 850563), (483, 810060), (529, 739620), (587, 666540), (630, 621046), (644, 607545), (690, 567042), (805, 486036), (828, 472535), (966, 405030), (1035, 378028), (1058, 369810), (1174, 333270), (1260, 310523), (1380, 283521), (1449, 270020), (1587, 246540), (1610, 243018), (1761, 222180), (1932, 202515), (2070, 189014), (2116, 184905), (2348, 166635), (2415, 162012), (2645, 147924), (2898, 135010), (2935, 133308), (3174, 123270), (3220, 121509), (3522, 111090), (3703, 105660), (4109, 95220), (4140, 94507), (4761, 82180), (4830, 81006), (5283, 74060), (5290, 73962), (5796, 67505), (5870, 66654), (6348, 61635), (7044, 55545), (7245, 54004), (7406, 52830), (7935, 49308), (8218, 47610), (8805, 44436), (9522, 41090), (9660, 40503), (10566, 37030), (10580, 36981), (11109, 35220), (11740, 33327), (12327, 31740), (13501, 28980), (14490, 27002), (14812, 26415), (15870, 24654), (16436, 23805), (17610, 22218), (18515, 21132), (19044, 20545)]