71084020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{507743}}^1$

素因数の和:507759

約数の個数: 24

約数和(自身を含む): 170601984

約数和(自身を除く): 99517964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 507743, 1015486, 2030972, 2538715, 3554201, 5077430, 7108402, 10154860, 14216804, 17771005, 35542010, 71084020]

約数ペア:

[(1, 71084020), (2, 35542010), (4, 17771005), (5, 14216804), (7, 10154860), (10, 7108402), (14, 5077430), (20, 3554201), (28, 2538715), (35, 2030972), (70, 1015486), (140, 507743)]