85737940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2267}}^1$

素因数の和:2368

約数の個数: 48

約数和(自身を含む): 188987904

約数和(自身を除く): 103249964

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 2267, 3782, 4534, 7564, 9068, 9455, 11335, 18910, 22670, 37820, 45340, 70277, 138287, 140554, 276574, 281108, 351385, 553148, 691435, 702770, 1382870, 1405540, 2765740, 4286897, 8573794, 17147588, 21434485, 42868970, 85737940]

約数ペア:

[(1, 85737940), (2, 42868970), (4, 21434485), (5, 17147588), (10, 8573794), (20, 4286897), (31, 2765740), (61, 1405540), (62, 1382870), (122, 702770), (124, 691435), (155, 553148), (244, 351385), (305, 281108), (310, 276574), (610, 140554), (620, 138287), (1220, 70277), (1891, 45340), (2267, 37820), (3782, 22670), (4534, 18910), (7564, 11335), (9068, 9455)]