31355020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{311}}^1$

素因数の和:462

約数の個数: 36

約数和(自身を含む): 67000752

約数和(自身を除く): 35645732

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 311, 355, 622, 710, 1244, 1420, 1555, 3110, 5041, 6220, 10082, 20164, 22081, 25205, 44162, 50410, 88324, 100820, 110405, 220810, 441620, 1567751, 3135502, 6271004, 7838755, 15677510, 31355020]

約数ペア:

[(1, 31355020), (2, 15677510), (4, 7838755), (5, 6271004), (10, 3135502), (20, 1567751), (71, 441620), (142, 220810), (284, 110405), (311, 100820), (355, 88324), (622, 50410), (710, 44162), (1244, 25205), (1420, 22081), (1555, 20164), (3110, 10082), (5041, 6220)]