6845420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 15165696

約数和(自身を除く): 8320276

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 181, 244, 305, 310, 362, 610, 620, 724, 905, 1220, 1810, 1891, 3620, 3782, 5611, 7564, 9455, 11041, 11222, 18910, 22082, 22444, 28055, 37820, 44164, 55205, 56110, 110410, 112220, 220820, 342271, 684542, 1369084, 1711355, 3422710, 6845420]

約数ペア:

[(1, 6845420), (2, 3422710), (4, 1711355), (5, 1369084), (10, 684542), (20, 342271), (31, 220820), (61, 112220), (62, 110410), (122, 56110), (124, 55205), (155, 44164), (181, 37820), (244, 28055), (305, 22444), (310, 22082), (362, 18910), (610, 11222), (620, 11041), (724, 9455), (905, 7564), (1220, 5611), (1810, 3782), (1891, 3620)]