2045491420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{141851}}^1$

素因数の和:141970

約数の個数: 48

約数和(自身を含む): 4956876288

約数和(自身を除く): 2911384868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 14420, 141851, 283702, 567404, 709255, 992957, 1418510, 1985914, 2837020, 3971828, 4964785, 9929570, 14610653, 19859140, 29221306, 58442612, 73053265, 102274571, 146106530, 204549142, 292213060, 409098284, 511372855, 1022745710, 2045491420]

約数ペア:

[(1, 2045491420), (2, 1022745710), (4, 511372855), (5, 409098284), (7, 292213060), (10, 204549142), (14, 146106530), (20, 102274571), (28, 73053265), (35, 58442612), (70, 29221306), (103, 19859140), (140, 14610653), (206, 9929570), (412, 4964785), (515, 3971828), (721, 2837020), (1030, 1985914), (1442, 1418510), (2060, 992957), (2884, 709255), (3605, 567404), (7210, 283702), (14420, 141851)]