9981620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{769}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 23284800

約数和(自身を除く): 13303180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 769, 1180, 1298, 1538, 2596, 3076, 3245, 3845, 6490, 7690, 8459, 12980, 15380, 16918, 33836, 42295, 45371, 84590, 90742, 169180, 181484, 226855, 453710, 499081, 907420, 998162, 1996324, 2495405, 4990810, 9981620]

約数ペア:

[(1, 9981620), (2, 4990810), (4, 2495405), (5, 1996324), (10, 998162), (11, 907420), (20, 499081), (22, 453710), (44, 226855), (55, 181484), (59, 169180), (110, 90742), (118, 84590), (220, 45371), (236, 42295), (295, 33836), (590, 16918), (649, 15380), (769, 12980), (1180, 8459), (1298, 7690), (1538, 6490), (2596, 3845), (3076, 3245)]