197938920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2473}}^1$

素因数の和:2539

約数の個数: 128

約数和(自身を含む): 641260800

約数和(自身を除く): 443321880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 174, 184, 230, 232, 276, 290, 345, 348, 435, 460, 552, 580, 667, 690, 696, 870, 920, 1160, 1334, 1380, 1740, 2001, 2473, 2668, 2760, 3335, 3480, 4002, 4946, 5336, 6670, 7419, 8004, 9892, 10005, 12365, 13340, 14838, 16008, 19784, 20010, 24730, 26680, 29676, 37095, 40020, 49460, 56879, 59352, 71717, 74190, 80040, 98920, 113758, 143434, 148380, 170637, 215151, 227516, 284395, 286868, 296760, 341274, 358585, 430302, 455032, 568790, 573736, 682548, 717170, 853185, 860604, 1075755, 1137580, 1365096, 1434340, 1649491, 1706370, 1721208, 2151510, 2275160, 2868680, 3298982, 3412740, 4303020, 4948473, 6597964, 6825480, 8247455, 8606040, 9896946, 13195928, 16494910, 19793892, 24742365, 32989820, 39587784, 49484730, 65979640, 98969460, 197938920]

約数ペア:

[(1, 197938920), (2, 98969460), (3, 65979640), (4, 49484730), (5, 39587784), (6, 32989820), (8, 24742365), (10, 19793892), (12, 16494910), (15, 13195928), (20, 9896946), (23, 8606040), (24, 8247455), (29, 6825480), (30, 6597964), (40, 4948473), (46, 4303020), (58, 3412740), (60, 3298982), (69, 2868680), (87, 2275160), (92, 2151510), (115, 1721208), (116, 1706370), (120, 1649491), (138, 1434340), (145, 1365096), (174, 1137580), (184, 1075755), (230, 860604), (232, 853185), (276, 717170), (290, 682548), (345, 573736), (348, 568790), (435, 455032), (460, 430302), (552, 358585), (580, 341274), (667, 296760), (690, 286868), (696, 284395), (870, 227516), (920, 215151), (1160, 170637), (1334, 148380), (1380, 143434), (1740, 113758), (2001, 98920), (2473, 80040), (2668, 74190), (2760, 71717), (3335, 59352), (3480, 56879), (4002, 49460), (4946, 40020), (5336, 37095), (6670, 29676), (7419, 26680), (8004, 24730), (9892, 20010), (10005, 19784), (12365, 16008), (13340, 14838)]