1340680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{277}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 3327660

約数和(自身を除く): 1986980

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 277, 440, 484, 554, 605, 968, 1108, 1210, 1385, 2216, 2420, 2770, 3047, 4840, 5540, 6094, 11080, 12188, 15235, 24376, 30470, 33517, 60940, 67034, 121880, 134068, 167585, 268136, 335170, 670340, 1340680]

約数ペア:

[(1, 1340680), (2, 670340), (4, 335170), (5, 268136), (8, 167585), (10, 134068), (11, 121880), (20, 67034), (22, 60940), (40, 33517), (44, 30470), (55, 24376), (88, 15235), (110, 12188), (121, 11080), (220, 6094), (242, 5540), (277, 4840), (440, 3047), (484, 2770), (554, 2420), (605, 2216), (968, 1385), (1108, 1210)]