668680

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 1531800

約数和(自身を除く): 863120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 229, 292, 365, 458, 584, 730, 916, 1145, 1460, 1832, 2290, 2920, 4580, 9160, 16717, 33434, 66868, 83585, 133736, 167170, 334340, 668680]

約数ペア:

[(1, 668680), (2, 334340), (4, 167170), (5, 133736), (8, 83585), (10, 66868), (20, 33434), (40, 16717), (73, 9160), (146, 4580), (229, 2920), (292, 2290), (365, 1832), (458, 1460), (584, 1145), (730, 916)]