156729704620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{128466971}}^1$

素因数の和:128467041

約数の個数: 24

約数和(自身を含む): 334527995088

約数和(自身を除く): 177798290468

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 128466971, 256933942, 513867884, 642334855, 1284669710, 2569339420, 7836485231, 15672970462, 31345940924, 39182426155, 78364852310, 156729704620]

約数ペア:

[(1, 156729704620), (2, 78364852310), (4, 39182426155), (5, 31345940924), (10, 15672970462), (20, 7836485231), (61, 2569339420), (122, 1284669710), (244, 642334855), (305, 513867884), (610, 256933942), (1220, 128466971)]