16696540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{499}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 40320000

約数和(自身を除く): 23623460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 499, 956, 998, 1195, 1673, 1996, 2390, 2495, 3346, 3493, 4780, 4990, 6692, 6986, 8365, 9980, 13972, 16730, 17465, 33460, 34930, 69860, 119261, 238522, 477044, 596305, 834827, 1192610, 1669654, 2385220, 3339308, 4174135, 8348270, 16696540]

約数ペア:

[(1, 16696540), (2, 8348270), (4, 4174135), (5, 3339308), (7, 2385220), (10, 1669654), (14, 1192610), (20, 834827), (28, 596305), (35, 477044), (70, 238522), (140, 119261), (239, 69860), (478, 34930), (499, 33460), (956, 17465), (998, 16730), (1195, 13972), (1673, 9980), (1996, 8365), (2390, 6986), (2495, 6692), (3346, 4990), (3493, 4780)]