47870020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 112077504

約数和(自身を除く): 64207484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 131, 151, 220, 242, 262, 302, 484, 524, 604, 605, 655, 755, 1210, 1310, 1441, 1510, 1661, 2420, 2620, 2882, 3020, 3322, 5764, 6644, 7205, 8305, 14410, 15851, 16610, 18271, 19781, 28820, 31702, 33220, 36542, 39562, 63404, 73084, 79124, 79255, 91355, 98905, 158510, 182710, 197810, 217591, 317020, 365420, 395620, 435182, 870364, 1087955, 2175910, 2393501, 4351820, 4787002, 9574004, 11967505, 23935010, 47870020]

約数ペア:

[(1, 47870020), (2, 23935010), (4, 11967505), (5, 9574004), (10, 4787002), (11, 4351820), (20, 2393501), (22, 2175910), (44, 1087955), (55, 870364), (110, 435182), (121, 395620), (131, 365420), (151, 317020), (220, 217591), (242, 197810), (262, 182710), (302, 158510), (484, 98905), (524, 91355), (604, 79255), (605, 79124), (655, 73084), (755, 63404), (1210, 39562), (1310, 36542), (1441, 33220), (1510, 31702), (1661, 28820), (2420, 19781), (2620, 18271), (2882, 16610), (3020, 15851), (3322, 14410), (5764, 8305), (6644, 7205)]