71307800

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3271}}^1$

素因数の和:3396

約数の個数: 48

約数和(自身を含む): 167362800

約数和(自身を除く): 96055000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 436, 545, 872, 1090, 2180, 2725, 3271, 4360, 5450, 6542, 10900, 13084, 16355, 21800, 26168, 32710, 65420, 81775, 130840, 163550, 327100, 356539, 654200, 713078, 1426156, 1782695, 2852312, 3565390, 7130780, 8913475, 14261560, 17826950, 35653900, 71307800]

約数ペア:

[(1, 71307800), (2, 35653900), (4, 17826950), (5, 14261560), (8, 8913475), (10, 7130780), (20, 3565390), (25, 2852312), (40, 1782695), (50, 1426156), (100, 713078), (109, 654200), (200, 356539), (218, 327100), (436, 163550), (545, 130840), (872, 81775), (1090, 65420), (2180, 32710), (2725, 26168), (3271, 21800), (4360, 16355), (5450, 13084), (6542, 10900)]