161852830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 319334400

約数和(自身を除く): 157481570

約数列:

[1, 2, 5, 10, 19, 38, 41, 79, 82, 95, 158, 190, 205, 263, 395, 410, 526, 779, 790, 1315, 1501, 1558, 2630, 3002, 3239, 3895, 4997, 6478, 7505, 7790, 9994, 10783, 15010, 16195, 20777, 21566, 24985, 32390, 41554, 49970, 53915, 61541, 103885, 107830, 123082, 204877, 207770, 307705, 394763, 409754, 615410, 789526, 851857, 1024385, 1703714, 1973815, 2048770, 3947630, 4259285, 8518570, 16185283, 32370566, 80926415, 161852830]

約数ペア:

[(1, 161852830), (2, 80926415), (5, 32370566), (10, 16185283), (19, 8518570), (38, 4259285), (41, 3947630), (79, 2048770), (82, 1973815), (95, 1703714), (158, 1024385), (190, 851857), (205, 789526), (263, 615410), (395, 409754), (410, 394763), (526, 307705), (779, 207770), (790, 204877), (1315, 123082), (1501, 107830), (1558, 103885), (2630, 61541), (3002, 53915), (3239, 49970), (3895, 41554), (4997, 32390), (6478, 24985), (7505, 21566), (7790, 20777), (9994, 16195), (10783, 15010)]