31051900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{28229}}^1$

素因数の和:28254

約数の個数: 36

約数和(自身を含む): 73510920

約数和(自身を除く): 42459020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 28229, 56458, 112916, 141145, 282290, 310519, 564580, 621038, 705725, 1242076, 1411450, 1552595, 2822900, 3105190, 6210380, 7762975, 15525950, 31051900]

約数ペア:

[(1, 31051900), (2, 15525950), (4, 7762975), (5, 6210380), (10, 3105190), (11, 2822900), (20, 1552595), (22, 1411450), (25, 1242076), (44, 705725), (50, 621038), (55, 564580), (100, 310519), (110, 282290), (220, 141145), (275, 112916), (550, 56458), (1100, 28229)]