187996820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{2131}}^1$

素因数の和:2552

約数の個数: 48

約数和(自身を含む): 431960256

約数和(自身を除く): 243963436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 401, 802, 1604, 2005, 2131, 4010, 4262, 4411, 8020, 8524, 8822, 10655, 17644, 21310, 22055, 23441, 42620, 44110, 46882, 88220, 93764, 117205, 234410, 468820, 854531, 1709062, 3418124, 4272655, 8545310, 9399841, 17090620, 18799682, 37599364, 46999205, 93998410, 187996820]

約数ペア:

[(1, 187996820), (2, 93998410), (4, 46999205), (5, 37599364), (10, 18799682), (11, 17090620), (20, 9399841), (22, 8545310), (44, 4272655), (55, 3418124), (110, 1709062), (220, 854531), (401, 468820), (802, 234410), (1604, 117205), (2005, 93764), (2131, 88220), (4010, 46882), (4262, 44110), (4411, 42620), (8020, 23441), (8524, 22055), (8822, 21310), (10655, 17644)]