291201020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{120331}}^1$

素因数の和:120362

約数の個数: 36

約数和(自身を含む): 672174552

約数和(自身を除く): 380973532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 120331, 240662, 481324, 601655, 1203310, 1323641, 2406620, 2647282, 5294564, 6618205, 13236410, 14560051, 26472820, 29120102, 58240204, 72800255, 145600510, 291201020]

約数ペア:

[(1, 291201020), (2, 145600510), (4, 72800255), (5, 58240204), (10, 29120102), (11, 26472820), (20, 14560051), (22, 13236410), (44, 6618205), (55, 5294564), (110, 2647282), (121, 2406620), (220, 1323641), (242, 1203310), (484, 601655), (605, 481324), (1210, 240662), (2420, 120331)]