280178110

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{4373}}^1$

素因数の和:4572

約数の個数: 32

約数和(自身を含む): 519631200

約数和(自身を除く): 239453090

約数列:

[1, 2, 5, 10, 43, 86, 149, 215, 298, 430, 745, 1490, 4373, 6407, 8746, 12814, 21865, 32035, 43730, 64070, 188039, 376078, 651577, 940195, 1303154, 1880390, 3257885, 6515770, 28017811, 56035622, 140089055, 280178110]

約数ペア:

[(1, 280178110), (2, 140089055), (5, 56035622), (10, 28017811), (43, 6515770), (86, 3257885), (149, 1880390), (215, 1303154), (298, 940195), (430, 651577), (745, 376078), (1490, 188039), (4373, 64070), (6407, 43730), (8746, 32035), (12814, 21865)]