279507170

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1\times {\mathrm{617}}^1$

素因数の和:1222

約数の個数: 32

約数和(自身を含む): 510591600

約数和(自身を除く): 231084430

約数列:

[1, 2, 5, 10, 89, 178, 445, 509, 617, 890, 1018, 1234, 2545, 3085, 5090, 6170, 45301, 54913, 90602, 109826, 226505, 274565, 314053, 453010, 549130, 628106, 1570265, 3140530, 27950717, 55901434, 139753585, 279507170]

約数ペア:

[(1, 279507170), (2, 139753585), (5, 55901434), (10, 27950717), (89, 3140530), (178, 1570265), (445, 628106), (509, 549130), (617, 453010), (890, 314053), (1018, 274565), (1234, 226505), (2545, 109826), (3085, 90602), (5090, 54913), (6170, 45301)]