49380920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{719}}^1$

素因数の和:848

約数の個数: 64

約数和(自身を含む): 118972800

約数和(自身を除く): 69591880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 101, 136, 170, 202, 340, 404, 505, 680, 719, 808, 1010, 1438, 1717, 2020, 2876, 3434, 3595, 4040, 5752, 6868, 7190, 8585, 12223, 13736, 14380, 17170, 24446, 28760, 34340, 48892, 61115, 68680, 72619, 97784, 122230, 145238, 244460, 290476, 363095, 488920, 580952, 726190, 1234523, 1452380, 2469046, 2904760, 4938092, 6172615, 9876184, 12345230, 24690460, 49380920]

約数ペア:

[(1, 49380920), (2, 24690460), (4, 12345230), (5, 9876184), (8, 6172615), (10, 4938092), (17, 2904760), (20, 2469046), (34, 1452380), (40, 1234523), (68, 726190), (85, 580952), (101, 488920), (136, 363095), (170, 290476), (202, 244460), (340, 145238), (404, 122230), (505, 97784), (680, 72619), (719, 68680), (808, 61115), (1010, 48892), (1438, 34340), (1717, 28760), (2020, 24446), (2876, 17170), (3434, 14380), (3595, 13736), (4040, 12223), (5752, 8585), (6868, 7190)]