219865720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{289297}}^1$

素因数の和:289327

約数の個数: 32

約数和(自身を含む): 520736400

約数和(自身を除く): 300870680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 289297, 578594, 1157188, 1446485, 2314376, 2892970, 5496643, 5785940, 10993286, 11571880, 21986572, 27483215, 43973144, 54966430, 109932860, 219865720]

約数ペア:

[(1, 219865720), (2, 109932860), (4, 54966430), (5, 43973144), (8, 27483215), (10, 21986572), (19, 11571880), (20, 10993286), (38, 5785940), (40, 5496643), (76, 2892970), (95, 2314376), (152, 1446485), (190, 1157188), (380, 578594), (760, 289297)]