1357180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 3225600

約数和(自身を除く): 1868420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 199, 220, 310, 341, 398, 620, 682, 796, 995, 1364, 1705, 1990, 2189, 3410, 3980, 4378, 6169, 6820, 8756, 10945, 12338, 21890, 24676, 30845, 43780, 61690, 67859, 123380, 135718, 271436, 339295, 678590, 1357180]

約数ペア:

[(1, 1357180), (2, 678590), (4, 339295), (5, 271436), (10, 135718), (11, 123380), (20, 67859), (22, 61690), (31, 43780), (44, 30845), (55, 24676), (62, 21890), (110, 12338), (124, 10945), (155, 8756), (199, 6820), (220, 6169), (310, 4378), (341, 3980), (398, 3410), (620, 2189), (682, 1990), (796, 1705), (995, 1364)]