70810820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{631}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 154592256

約数和(自身を除く): 83781436

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 181, 310, 362, 620, 631, 724, 905, 1262, 1810, 2524, 3155, 3620, 5611, 6310, 11222, 12620, 19561, 22444, 28055, 39122, 56110, 78244, 97805, 112220, 114211, 195610, 228422, 391220, 456844, 571055, 1142110, 2284220, 3540541, 7081082, 14162164, 17702705, 35405410, 70810820]

約数ペア:

[(1, 70810820), (2, 35405410), (4, 17702705), (5, 14162164), (10, 7081082), (20, 3540541), (31, 2284220), (62, 1142110), (124, 571055), (155, 456844), (181, 391220), (310, 228422), (362, 195610), (620, 114211), (631, 112220), (724, 97805), (905, 78244), (1262, 56110), (1810, 39122), (2524, 28055), (3155, 22444), (3620, 19561), (5611, 12620), (6310, 11222)]