135315620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{19841}}^1$

素因数の和:19892

約数の個数: 48

約数和(自身を含む): 320011776

約数和(自身を除く): 184696156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 19841, 39682, 79364, 99205, 198410, 218251, 396820, 436502, 615071, 873004, 1091255, 1230142, 2182510, 2460284, 3075355, 4365020, 6150710, 6765781, 12301420, 13531562, 27063124, 33828905, 67657810, 135315620]

約数ペア:

[(1, 135315620), (2, 67657810), (4, 33828905), (5, 27063124), (10, 13531562), (11, 12301420), (20, 6765781), (22, 6150710), (31, 4365020), (44, 3075355), (55, 2460284), (62, 2182510), (110, 1230142), (124, 1091255), (155, 873004), (220, 615071), (310, 436502), (341, 396820), (620, 218251), (682, 198410), (1364, 99205), (1705, 79364), (3410, 39682), (6820, 19841)]