68539700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 155120280

約数和(自身を除く): 86580580

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 73, 82, 100, 146, 164, 205, 229, 292, 365, 410, 458, 730, 820, 916, 1025, 1145, 1460, 1825, 2050, 2290, 2993, 3650, 4100, 4580, 5725, 5986, 7300, 9389, 11450, 11972, 14965, 16717, 18778, 22900, 29930, 33434, 37556, 46945, 59860, 66868, 74825, 83585, 93890, 149650, 167170, 187780, 234725, 299300, 334340, 417925, 469450, 685397, 835850, 938900, 1370794, 1671700, 2741588, 3426985, 6853970, 13707940, 17134925, 34269850, 68539700]

約数ペア:

[(1, 68539700), (2, 34269850), (4, 17134925), (5, 13707940), (10, 6853970), (20, 3426985), (25, 2741588), (41, 1671700), (50, 1370794), (73, 938900), (82, 835850), (100, 685397), (146, 469450), (164, 417925), (205, 334340), (229, 299300), (292, 234725), (365, 187780), (410, 167170), (458, 149650), (730, 93890), (820, 83585), (916, 74825), (1025, 66868), (1145, 59860), (1460, 46945), (1825, 37556), (2050, 33434), (2290, 29930), (2993, 22900), (3650, 18778), (4100, 16717), (4580, 14965), (5725, 11972), (5986, 11450), (7300, 9389)]