207290420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{1171}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 446560128

約数和(自身を除く): 239269708

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 167, 212, 265, 334, 530, 668, 835, 1060, 1171, 1670, 2342, 3340, 4684, 5855, 8851, 11710, 17702, 23420, 35404, 44255, 62063, 88510, 124126, 177020, 195557, 248252, 310315, 391114, 620630, 782228, 977785, 1241260, 1955570, 3911140, 10364521, 20729042, 41458084, 51822605, 103645210, 207290420]

約数ペア:

[(1, 207290420), (2, 103645210), (4, 51822605), (5, 41458084), (10, 20729042), (20, 10364521), (53, 3911140), (106, 1955570), (167, 1241260), (212, 977785), (265, 782228), (334, 620630), (530, 391114), (668, 310315), (835, 248252), (1060, 195557), (1171, 177020), (1670, 124126), (2342, 88510), (3340, 62063), (4684, 44255), (5855, 35404), (8851, 23420), (11710, 17702)]