17457220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1087}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 40578048

約数和(自身を除く): 23120828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1087, 1460, 1606, 2174, 3212, 4015, 4348, 5435, 8030, 10870, 11957, 16060, 21740, 23914, 47828, 59785, 79351, 119570, 158702, 239140, 317404, 396755, 793510, 872861, 1587020, 1745722, 3491444, 4364305, 8728610, 17457220]

約数ペア:

[(1, 17457220), (2, 8728610), (4, 4364305), (5, 3491444), (10, 1745722), (11, 1587020), (20, 872861), (22, 793510), (44, 396755), (55, 317404), (73, 239140), (110, 158702), (146, 119570), (220, 79351), (292, 59785), (365, 47828), (730, 23914), (803, 21740), (1087, 16060), (1460, 11957), (1606, 10870), (2174, 8030), (3212, 5435), (4015, 4348)]