78739700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1637}}^1$

素因数の和:1701

約数の個数: 72

約数和(自身を含む): 189097272

約数和(自身を除く): 110357572

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 37, 50, 52, 65, 74, 100, 130, 148, 185, 260, 325, 370, 481, 650, 740, 925, 962, 1300, 1637, 1850, 1924, 2405, 3274, 3700, 4810, 6548, 8185, 9620, 12025, 16370, 21281, 24050, 32740, 40925, 42562, 48100, 60569, 81850, 85124, 106405, 121138, 163700, 212810, 242276, 302845, 425620, 532025, 605690, 787397, 1064050, 1211380, 1514225, 1574794, 2128100, 3028450, 3149588, 3936985, 6056900, 7873970, 15747940, 19684925, 39369850, 78739700]

約数ペア:

[(1, 78739700), (2, 39369850), (4, 19684925), (5, 15747940), (10, 7873970), (13, 6056900), (20, 3936985), (25, 3149588), (26, 3028450), (37, 2128100), (50, 1574794), (52, 1514225), (65, 1211380), (74, 1064050), (100, 787397), (130, 605690), (148, 532025), (185, 425620), (260, 302845), (325, 242276), (370, 212810), (481, 163700), (650, 121138), (740, 106405), (925, 85124), (962, 81850), (1300, 60569), (1637, 48100), (1850, 42562), (1924, 40925), (2405, 32740), (3274, 24050), (3700, 21281), (4810, 16370), (6548, 12025), (8185, 9620)]