146758420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 314810496

約数和(自身を除く): 168052076

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 181, 284, 355, 362, 571, 710, 724, 905, 1142, 1420, 1810, 2284, 2855, 3620, 5710, 11420, 12851, 25702, 40541, 51404, 64255, 81082, 103351, 128510, 162164, 202705, 206702, 257020, 405410, 413404, 516755, 810820, 1033510, 2067020, 7337921, 14675842, 29351684, 36689605, 73379210, 146758420]

約数ペア:

[(1, 146758420), (2, 73379210), (4, 36689605), (5, 29351684), (10, 14675842), (20, 7337921), (71, 2067020), (142, 1033510), (181, 810820), (284, 516755), (355, 413404), (362, 405410), (571, 257020), (710, 206702), (724, 202705), (905, 162164), (1142, 128510), (1420, 103351), (1810, 81082), (2284, 64255), (2855, 51404), (3620, 40541), (5710, 25702), (11420, 12851)]