3580940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 8424864

約数和(自身を除く): 4843924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 397, 410, 451, 794, 820, 902, 1588, 1804, 1985, 2255, 3970, 4367, 4510, 7940, 8734, 9020, 16277, 17468, 21835, 32554, 43670, 65108, 81385, 87340, 162770, 179047, 325540, 358094, 716188, 895235, 1790470, 3580940]

約数ペア:

[(1, 3580940), (2, 1790470), (4, 895235), (5, 716188), (10, 358094), (11, 325540), (20, 179047), (22, 162770), (41, 87340), (44, 81385), (55, 65108), (82, 43670), (110, 32554), (164, 21835), (205, 17468), (220, 16277), (397, 9020), (410, 8734), (451, 7940), (794, 4510), (820, 4367), (902, 3970), (1588, 2255), (1804, 1985)]