2489650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 5122440

約数和(自身を除く): 2632790

約数列:

[1, 2, 5, 10, 17, 25, 29, 34, 50, 58, 85, 101, 145, 170, 202, 290, 425, 493, 505, 725, 850, 986, 1010, 1450, 1717, 2465, 2525, 2929, 3434, 4930, 5050, 5858, 8585, 12325, 14645, 17170, 24650, 29290, 42925, 49793, 73225, 85850, 99586, 146450, 248965, 497930, 1244825, 2489650]

約数ペア:

[(1, 2489650), (2, 1244825), (5, 497930), (10, 248965), (17, 146450), (25, 99586), (29, 85850), (34, 73225), (50, 49793), (58, 42925), (85, 29290), (101, 24650), (145, 17170), (170, 14645), (202, 12325), (290, 8585), (425, 5858), (493, 5050), (505, 4930), (725, 3434), (850, 2929), (986, 2525), (1010, 2465), (1450, 1717)]