30757540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{557}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 70870464

約数和(自身を除く): 40112924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 251, 502, 557, 1004, 1114, 1255, 2228, 2510, 2761, 2785, 5020, 5522, 5570, 6127, 11044, 11140, 12254, 13805, 24508, 27610, 30635, 55220, 61270, 122540, 139807, 279614, 559228, 699035, 1398070, 1537877, 2796140, 3075754, 6151508, 7689385, 15378770, 30757540]

約数ペア:

[(1, 30757540), (2, 15378770), (4, 7689385), (5, 6151508), (10, 3075754), (11, 2796140), (20, 1537877), (22, 1398070), (44, 699035), (55, 559228), (110, 279614), (220, 139807), (251, 122540), (502, 61270), (557, 55220), (1004, 30635), (1114, 27610), (1255, 24508), (2228, 13805), (2510, 12254), (2761, 11140), (2785, 11044), (5020, 6127), (5522, 5570)]