342685780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{1231}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 745113600

約数和(自身を除く): 402427820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 449, 620, 898, 1231, 1796, 2245, 2462, 4490, 4924, 6155, 8980, 12310, 13919, 24620, 27838, 38161, 55676, 69595, 76322, 139190, 152644, 190805, 278380, 381610, 552719, 763220, 1105438, 2210876, 2763595, 5527190, 11054380, 17134289, 34268578, 68537156, 85671445, 171342890, 342685780]

約数ペア:

[(1, 342685780), (2, 171342890), (4, 85671445), (5, 68537156), (10, 34268578), (20, 17134289), (31, 11054380), (62, 5527190), (124, 2763595), (155, 2210876), (310, 1105438), (449, 763220), (620, 552719), (898, 381610), (1231, 278380), (1796, 190805), (2245, 152644), (2462, 139190), (4490, 76322), (4924, 69595), (6155, 55676), (8980, 38161), (12310, 27838), (13919, 24620)]