163623740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1621}}^1$

素因数の和:1747

約数の個数: 72

約数和(自身を含む): 403839072

約数和(自身を除く): 240215332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 412, 490, 515, 721, 980, 1030, 1442, 1621, 2060, 2884, 3242, 3605, 5047, 6484, 7210, 8105, 10094, 11347, 14420, 16210, 20188, 22694, 25235, 32420, 45388, 50470, 56735, 79429, 100940, 113470, 158858, 166963, 226940, 317716, 333926, 397145, 667852, 794290, 834815, 1168741, 1588580, 1669630, 2337482, 3339260, 4674964, 5843705, 8181187, 11687410, 16362374, 23374820, 32724748, 40905935, 81811870, 163623740]

約数ペア:

[(1, 163623740), (2, 81811870), (4, 40905935), (5, 32724748), (7, 23374820), (10, 16362374), (14, 11687410), (20, 8181187), (28, 5843705), (35, 4674964), (49, 3339260), (70, 2337482), (98, 1669630), (103, 1588580), (140, 1168741), (196, 834815), (206, 794290), (245, 667852), (412, 397145), (490, 333926), (515, 317716), (721, 226940), (980, 166963), (1030, 158858), (1442, 113470), (1621, 100940), (2060, 79429), (2884, 56735), (3242, 50470), (3605, 45388), (5047, 32420), (6484, 25235), (7210, 22694), (8105, 20188), (10094, 16210), (11347, 14420)]