155622280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353687}}^1$

素因数の和:353709

約数の個数: 32

約数和(自身を含む): 381983040

約数和(自身を除く): 226360760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 353687, 707374, 1414748, 1768435, 2829496, 3536870, 3890557, 7073740, 7781114, 14147480, 15562228, 19452785, 31124456, 38905570, 77811140, 155622280]

約数ペア:

[(1, 155622280), (2, 77811140), (4, 38905570), (5, 31124456), (8, 19452785), (10, 15562228), (11, 14147480), (20, 7781114), (22, 7073740), (40, 3890557), (44, 3536870), (55, 2829496), (88, 1768435), (110, 1414748), (220, 707374), (440, 353687)]