7403420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11941}}^1$

素因数の和:11981

約数の個数: 24

約数和(自身を含む): 16050048

約数和(自身を除く): 8646628

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 11941, 23882, 47764, 59705, 119410, 238820, 370171, 740342, 1480684, 1850855, 3701710, 7403420]

約数ペア:

[(1, 7403420), (2, 3701710), (4, 1850855), (5, 1480684), (10, 740342), (20, 370171), (31, 238820), (62, 119410), (124, 59705), (155, 47764), (310, 23882), (620, 11941)]