281482500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{2887}}^1$

素因数の和:2927

約数の個数: 120

約数和(自身を含む): 884166976

約数和(自身を除く): 602684476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 195, 250, 260, 300, 325, 375, 390, 500, 625, 650, 750, 780, 975, 1250, 1300, 1500, 1625, 1875, 1950, 2500, 2887, 3250, 3750, 3900, 4875, 5774, 6500, 7500, 8125, 8661, 9750, 11548, 14435, 16250, 17322, 19500, 24375, 28870, 32500, 34644, 37531, 43305, 48750, 57740, 72175, 75062, 86610, 97500, 112593, 144350, 150124, 173220, 187655, 216525, 225186, 288700, 360875, 375310, 433050, 450372, 562965, 721750, 750620, 866100, 938275, 1082625, 1125930, 1443500, 1804375, 1876550, 2165250, 2251860, 2814825, 3608750, 3753100, 4330500, 4691375, 5413125, 5629650, 7217500, 9382750, 10826250, 11259300, 14074125, 18765500, 21652500, 23456875, 28148250, 46913750, 56296500, 70370625, 93827500, 140741250, 281482500]

約数ペア:

[(1, 281482500), (2, 140741250), (3, 93827500), (4, 70370625), (5, 56296500), (6, 46913750), (10, 28148250), (12, 23456875), (13, 21652500), (15, 18765500), (20, 14074125), (25, 11259300), (26, 10826250), (30, 9382750), (39, 7217500), (50, 5629650), (52, 5413125), (60, 4691375), (65, 4330500), (75, 3753100), (78, 3608750), (100, 2814825), (125, 2251860), (130, 2165250), (150, 1876550), (156, 1804375), (195, 1443500), (250, 1125930), (260, 1082625), (300, 938275), (325, 866100), (375, 750620), (390, 721750), (500, 562965), (625, 450372), (650, 433050), (750, 375310), (780, 360875), (975, 288700), (1250, 225186), (1300, 216525), (1500, 187655), (1625, 173220), (1875, 150124), (1950, 144350), (2500, 112593), (2887, 97500), (3250, 86610), (3750, 75062), (3900, 72175), (4875, 57740), (5774, 48750), (6500, 43305), (7500, 37531), (8125, 34644), (8661, 32500), (9750, 28870), (11548, 24375), (14435, 19500), (16250, 17322)]