2154436700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{3691}}^1$

素因数の和:4167

約数の個数: 72

約数和(自身を含む): 5047333200

約数和(自身を除く): 2892896500

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 449, 650, 898, 1300, 1796, 2245, 3691, 4490, 5837, 7382, 8980, 11225, 11674, 14764, 18455, 22450, 23348, 29185, 36910, 44900, 47983, 58370, 73820, 92275, 95966, 116740, 145925, 184550, 191932, 239915, 291850, 369100, 479830, 583700, 959660, 1199575, 1657259, 2399150, 3314518, 4798300, 6629036, 8286295, 16572590, 21544367, 33145180, 41431475, 43088734, 82862950, 86177468, 107721835, 165725900, 215443670, 430887340, 538609175, 1077218350, 2154436700]

約数ペア:

[(1, 2154436700), (2, 1077218350), (4, 538609175), (5, 430887340), (10, 215443670), (13, 165725900), (20, 107721835), (25, 86177468), (26, 82862950), (50, 43088734), (52, 41431475), (65, 33145180), (100, 21544367), (130, 16572590), (260, 8286295), (325, 6629036), (449, 4798300), (650, 3314518), (898, 2399150), (1300, 1657259), (1796, 1199575), (2245, 959660), (3691, 583700), (4490, 479830), (5837, 369100), (7382, 291850), (8980, 239915), (11225, 191932), (11674, 184550), (14764, 145925), (18455, 116740), (22450, 95966), (23348, 92275), (29185, 73820), (36910, 58370), (44900, 47983)]