30219020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1637}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 69346368

約数和(自身を除く): 39127348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1637, 1846, 3274, 3692, 4615, 6548, 8185, 9230, 16370, 18460, 21281, 32740, 42562, 85124, 106405, 116227, 212810, 232454, 425620, 464908, 581135, 1162270, 1510951, 2324540, 3021902, 6043804, 7554755, 15109510, 30219020]

約数ペア:

[(1, 30219020), (2, 15109510), (4, 7554755), (5, 6043804), (10, 3021902), (13, 2324540), (20, 1510951), (26, 1162270), (52, 581135), (65, 464908), (71, 425620), (130, 232454), (142, 212810), (260, 116227), (284, 106405), (355, 85124), (710, 42562), (923, 32740), (1420, 21281), (1637, 18460), (1846, 16370), (3274, 9230), (3692, 8185), (4615, 6548)]