85740220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1830

約数の個数: 48

約数和(自身を含む): 187463808

約数和(自身を除く): 101723588

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 470, 530, 940, 1060, 1721, 2491, 3442, 4982, 6884, 8605, 9964, 12455, 17210, 24910, 34420, 49820, 80887, 91213, 161774, 182426, 323548, 364852, 404435, 456065, 808870, 912130, 1617740, 1824260, 4287011, 8574022, 17148044, 21435055, 42870110, 85740220]

約数ペア:

[(1, 85740220), (2, 42870110), (4, 21435055), (5, 17148044), (10, 8574022), (20, 4287011), (47, 1824260), (53, 1617740), (94, 912130), (106, 808870), (188, 456065), (212, 404435), (235, 364852), (265, 323548), (470, 182426), (530, 161774), (940, 91213), (1060, 80887), (1721, 49820), (2491, 34420), (3442, 24910), (4982, 17210), (6884, 12455), (8605, 9964)]