401770820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{166021}}^1$

素因数の和:166052

約数の個数: 36

約数和(自身を含む): 927398892

約数和(自身を除く): 525628072

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 166021, 332042, 664084, 830105, 1660210, 1826231, 3320420, 3652462, 7304924, 9131155, 18262310, 20088541, 36524620, 40177082, 80354164, 100442705, 200885410, 401770820]

約数ペア:

[(1, 401770820), (2, 200885410), (4, 100442705), (5, 80354164), (10, 40177082), (11, 36524620), (20, 20088541), (22, 18262310), (44, 9131155), (55, 7304924), (110, 3652462), (121, 3320420), (220, 1826231), (242, 1660210), (484, 830105), (605, 664084), (1210, 332042), (2420, 166021)]