1860980

素因数分解:

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

素因数の和:800

約数の個数: 36

約数和(自身を含む): 4301220

約数和(自身を除く): 2440240

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 769, 1210, 1538, 2420, 3076, 3845, 7690, 8459, 15380, 16918, 33836, 42295, 84590, 93049, 169180, 186098, 372196, 465245, 930490, 1860980]

約数ペア:

[(1, 1860980), (2, 930490), (4, 465245), (5, 372196), (10, 186098), (11, 169180), (20, 93049), (22, 84590), (44, 42295), (55, 33836), (110, 16918), (121, 15380), (220, 8459), (242, 7690), (484, 3845), (605, 3076), (769, 2420), (1210, 1538)]