709317220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1\times {\mathrm{1553}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 1529620848

約数和(自身を除く): 820303628

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 557, 820, 1114, 1553, 2228, 2785, 3106, 5570, 6212, 7765, 11140, 15530, 22837, 31060, 45674, 63673, 91348, 114185, 127346, 228370, 254692, 318365, 456740, 636730, 865021, 1273460, 1730042, 3460084, 4325105, 8650210, 17300420, 35465861, 70931722, 141863444, 177329305, 354658610, 709317220]

約数ペア:

[(1, 709317220), (2, 354658610), (4, 177329305), (5, 141863444), (10, 70931722), (20, 35465861), (41, 17300420), (82, 8650210), (164, 4325105), (205, 3460084), (410, 1730042), (557, 1273460), (820, 865021), (1114, 636730), (1553, 456740), (2228, 318365), (2785, 254692), (3106, 228370), (5570, 127346), (6212, 114185), (7765, 91348), (11140, 63673), (15530, 45674), (22837, 31060)]