21677500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:89

約数の個数: 120

約数和(自身を含む): 55107360

約数和(自身を除く): 33429860

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 29, 46, 50, 52, 58, 65, 92, 100, 115, 116, 125, 130, 145, 230, 250, 260, 290, 299, 325, 377, 460, 500, 575, 580, 598, 625, 650, 667, 725, 754, 1150, 1196, 1250, 1300, 1334, 1450, 1495, 1508, 1625, 1885, 2300, 2500, 2668, 2875, 2900, 2990, 3250, 3335, 3625, 3770, 5750, 5980, 6500, 6670, 7250, 7475, 7540, 8125, 8671, 9425, 11500, 13340, 14375, 14500, 14950, 16250, 16675, 17342, 18125, 18850, 28750, 29900, 32500, 33350, 34684, 36250, 37375, 37700, 43355, 47125, 57500, 66700, 72500, 74750, 83375, 86710, 94250, 149500, 166750, 173420, 186875, 188500, 216775, 235625, 333500, 373750, 416875, 433550, 471250, 747500, 833750, 867100, 942500, 1083875, 1667500, 2167750, 4335500, 5419375, 10838750, 21677500]

約数ペア:

[(1, 21677500), (2, 10838750), (4, 5419375), (5, 4335500), (10, 2167750), (13, 1667500), (20, 1083875), (23, 942500), (25, 867100), (26, 833750), (29, 747500), (46, 471250), (50, 433550), (52, 416875), (58, 373750), (65, 333500), (92, 235625), (100, 216775), (115, 188500), (116, 186875), (125, 173420), (130, 166750), (145, 149500), (230, 94250), (250, 86710), (260, 83375), (290, 74750), (299, 72500), (325, 66700), (377, 57500), (460, 47125), (500, 43355), (575, 37700), (580, 37375), (598, 36250), (625, 34684), (650, 33350), (667, 32500), (725, 29900), (754, 28750), (1150, 18850), (1196, 18125), (1250, 17342), (1300, 16675), (1334, 16250), (1450, 14950), (1495, 14500), (1508, 14375), (1625, 13340), (1885, 11500), (2300, 9425), (2500, 8671), (2668, 8125), (2875, 7540), (2900, 7475), (2990, 7250), (3250, 6670), (3335, 6500), (3625, 5980), (3770, 5750)]