69929720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{249749}}^1$

素因数の和:249767

約数の個数: 32

約数和(自身を含む): 179820000

約数和(自身を除く): 109890280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 249749, 499498, 998996, 1248745, 1748243, 1997992, 2497490, 3496486, 4994980, 6992972, 8741215, 9989960, 13985944, 17482430, 34964860, 69929720]

約数ペア:

[(1, 69929720), (2, 34964860), (4, 17482430), (5, 13985944), (7, 9989960), (8, 8741215), (10, 6992972), (14, 4994980), (20, 3496486), (28, 2497490), (35, 1997992), (40, 1748243), (56, 1248745), (70, 998996), (140, 499498), (280, 249749)]