2878280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1531}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 6618240

約数和(自身を除く): 3739960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1531, 1880, 3062, 6124, 7655, 12248, 15310, 30620, 61240, 71957, 143914, 287828, 359785, 575656, 719570, 1439140, 2878280]

約数ペア:

[(1, 2878280), (2, 1439140), (4, 719570), (5, 575656), (8, 359785), (10, 287828), (20, 143914), (40, 71957), (47, 61240), (94, 30620), (188, 15310), (235, 12248), (376, 7655), (470, 6124), (940, 3062), (1531, 1880)]