256670210

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1\times {\mathrm{571}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 469497600

約数和(自身を除く): 212827390

約数列:

[1, 2, 5, 10, 79, 158, 395, 569, 571, 790, 1138, 1142, 2845, 2855, 5690, 5710, 44951, 45109, 89902, 90218, 224755, 225545, 324899, 449510, 451090, 649798, 1624495, 3248990, 25667021, 51334042, 128335105, 256670210]

約数ペア:

[(1, 256670210), (2, 128335105), (5, 51334042), (10, 25667021), (79, 3248990), (158, 1624495), (395, 649798), (569, 451090), (571, 449510), (790, 324899), (1138, 225545), (1142, 224755), (2845, 90218), (2855, 89902), (5690, 45109), (5710, 44951)]