17801140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2957}}^1$

素因数の和:3016

約数の個数: 48

約数和(自身を含む): 43731072

約数和(自身を除く): 25929932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 2957, 3010, 5914, 6020, 11828, 14785, 20699, 29570, 41398, 59140, 82796, 103495, 127151, 206990, 254302, 413980, 508604, 635755, 890057, 1271510, 1780114, 2543020, 3560228, 4450285, 8900570, 17801140]

約数ペア:

[(1, 17801140), (2, 8900570), (4, 4450285), (5, 3560228), (7, 2543020), (10, 1780114), (14, 1271510), (20, 890057), (28, 635755), (35, 508604), (43, 413980), (70, 254302), (86, 206990), (140, 127151), (172, 103495), (215, 82796), (301, 59140), (430, 41398), (602, 29570), (860, 20699), (1204, 14785), (1505, 11828), (2957, 6020), (3010, 5914)]