49244920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 118389600

約数和(自身を除く): 69144680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 278, 340, 521, 556, 680, 695, 1042, 1112, 1390, 2084, 2363, 2605, 2780, 4168, 4726, 5210, 5560, 8857, 9452, 10420, 11815, 17714, 18904, 20840, 23630, 35428, 44285, 47260, 70856, 72419, 88570, 94520, 144838, 177140, 289676, 354280, 362095, 579352, 724190, 1231123, 1448380, 2462246, 2896760, 4924492, 6155615, 9848984, 12311230, 24622460, 49244920]

約数ペア:

[(1, 49244920), (2, 24622460), (4, 12311230), (5, 9848984), (8, 6155615), (10, 4924492), (17, 2896760), (20, 2462246), (34, 1448380), (40, 1231123), (68, 724190), (85, 579352), (136, 362095), (139, 354280), (170, 289676), (278, 177140), (340, 144838), (521, 94520), (556, 88570), (680, 72419), (695, 70856), (1042, 47260), (1112, 44285), (1390, 35428), (2084, 23630), (2363, 20840), (2605, 18904), (2780, 17714), (4168, 11815), (4726, 10420), (5210, 9452), (5560, 8857)]