4420008220

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{571}}^1\times {\mathrm{1109}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 9333324000

約数和(自身を除く): 4913315780

約数列:

[1, 2, 4, 5, 10, 20, 349, 571, 698, 1109, 1142, 1396, 1745, 2218, 2284, 2855, 3490, 4436, 5545, 5710, 6980, 11090, 11420, 22180, 199279, 387041, 398558, 633239, 774082, 797116, 996395, 1266478, 1548164, 1935205, 1992790, 2532956, 3166195, 3870410, 3985580, 6332390, 7740820, 12664780, 221000411, 442000822, 884001644, 1105002055, 2210004110, 4420008220]

約数ペア:

[(1, 4420008220), (2, 2210004110), (4, 1105002055), (5, 884001644), (10, 442000822), (20, 221000411), (349, 12664780), (571, 7740820), (698, 6332390), (1109, 3985580), (1142, 3870410), (1396, 3166195), (1745, 2532956), (2218, 1992790), (2284, 1935205), (2855, 1548164), (3490, 1266478), (4436, 996395), (5545, 797116), (5710, 774082), (6980, 633239), (11090, 398558), (11420, 387041), (22180, 199279)]