71294440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{254623}}^1$

素因数の和:254641

約数の個数: 32

約数和(自身を含む): 183329280

約数和(自身を除く): 112034840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 254623, 509246, 1018492, 1273115, 1782361, 2036984, 2546230, 3564722, 5092460, 7129444, 8911805, 10184920, 14258888, 17823610, 35647220, 71294440]

約数ペア:

[(1, 71294440), (2, 35647220), (4, 17823610), (5, 14258888), (7, 10184920), (8, 8911805), (10, 7129444), (14, 5092460), (20, 3564722), (28, 2546230), (35, 2036984), (40, 1782361), (56, 1273115), (70, 1018492), (140, 509246), (280, 254623)]