207831540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:566

約数の個数: 144

約数和(自身を含む): 682117632

約数和(自身を除く): 474286092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 223, 245, 294, 317, 420, 446, 490, 588, 634, 669, 735, 892, 951, 980, 1115, 1268, 1338, 1470, 1561, 1585, 1902, 2219, 2230, 2676, 2940, 3122, 3170, 3345, 3804, 4438, 4460, 4683, 4755, 6244, 6340, 6657, 6690, 7805, 8876, 9366, 9510, 10927, 11095, 13314, 13380, 15533, 15610, 18732, 19020, 21854, 22190, 23415, 26628, 31066, 31220, 32781, 33285, 43708, 44380, 46599, 46830, 54635, 62132, 65562, 66570, 70691, 77665, 93198, 93660, 109270, 131124, 133140, 141382, 155330, 163905, 186396, 212073, 218540, 232995, 282764, 310660, 327810, 353455, 424146, 465990, 494837, 655620, 706910, 848292, 931980, 989674, 1060365, 1413820, 1484511, 1979348, 2120730, 2474185, 2969022, 3463859, 4241460, 4948370, 5938044, 6927718, 7422555, 9896740, 10391577, 13855436, 14845110, 17319295, 20783154, 29690220, 34638590, 41566308, 51957885, 69277180, 103915770, 207831540]

約数ペア:

[(1, 207831540), (2, 103915770), (3, 69277180), (4, 51957885), (5, 41566308), (6, 34638590), (7, 29690220), (10, 20783154), (12, 17319295), (14, 14845110), (15, 13855436), (20, 10391577), (21, 9896740), (28, 7422555), (30, 6927718), (35, 5938044), (42, 4948370), (49, 4241460), (60, 3463859), (70, 2969022), (84, 2474185), (98, 2120730), (105, 1979348), (140, 1484511), (147, 1413820), (196, 1060365), (210, 989674), (223, 931980), (245, 848292), (294, 706910), (317, 655620), (420, 494837), (446, 465990), (490, 424146), (588, 353455), (634, 327810), (669, 310660), (735, 282764), (892, 232995), (951, 218540), (980, 212073), (1115, 186396), (1268, 163905), (1338, 155330), (1470, 141382), (1561, 133140), (1585, 131124), (1902, 109270), (2219, 93660), (2230, 93198), (2676, 77665), (2940, 70691), (3122, 66570), (3170, 65562), (3345, 62132), (3804, 54635), (4438, 46830), (4460, 46599), (4683, 44380), (4755, 43708), (6244, 33285), (6340, 32781), (6657, 31220), (6690, 31066), (7805, 26628), (8876, 23415), (9366, 22190), (9510, 21854), (10927, 19020), (11095, 18732), (13314, 15610), (13380, 15533)]