220346450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{142159}}^1$

素因数の和:142202

約数の個数: 24

約数和(自身を含む): 423068160

約数和(自身を除く): 202721710

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 142159, 284318, 710795, 1421590, 3553975, 4406929, 7107950, 8813858, 22034645, 44069290, 110173225, 220346450]

約数ペア:

[(1, 220346450), (2, 110173225), (5, 44069290), (10, 22034645), (25, 8813858), (31, 7107950), (50, 4406929), (62, 3553975), (155, 1421590), (310, 710795), (775, 284318), (1550, 142159)]