255364990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{21157}}^1$

素因数の和:21252

約数の個数: 32

約数和(自身を含む): 493573824

約数和(自身を除く): 238208834

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 2414, 6035, 12070, 21157, 42314, 105785, 211570, 359669, 719338, 1502147, 1798345, 3004294, 3596690, 7510735, 15021470, 25536499, 51072998, 127682495, 255364990]

約数ペア:

[(1, 255364990), (2, 127682495), (5, 51072998), (10, 25536499), (17, 15021470), (34, 7510735), (71, 3596690), (85, 3004294), (142, 1798345), (170, 1502147), (355, 719338), (710, 359669), (1207, 211570), (2414, 105785), (6035, 42314), (12070, 21157)]