219093040

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{12281}}^1$

素因数の和:12517

約数の個数: 40

約数和(自身を含む): 511717248

約数和(自身を除く): 292624208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 8920, 12281, 17840, 24562, 49124, 61405, 98248, 122810, 196496, 245620, 491240, 982480, 2738663, 5477326, 10954652, 13693315, 21909304, 27386630, 43818608, 54773260, 109546520, 219093040]

約数ペア:

[(1, 219093040), (2, 109546520), (4, 54773260), (5, 43818608), (8, 27386630), (10, 21909304), (16, 13693315), (20, 10954652), (40, 5477326), (80, 2738663), (223, 982480), (446, 491240), (892, 245620), (1115, 196496), (1784, 122810), (2230, 98248), (3568, 61405), (4460, 49124), (8920, 24562), (12281, 17840)]