4449940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 10342080

約数和(自身を除く): 5892140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 179, 220, 226, 358, 452, 565, 716, 895, 1130, 1243, 1790, 1969, 2260, 2486, 3580, 3938, 4972, 6215, 7876, 9845, 12430, 19690, 20227, 24860, 39380, 40454, 80908, 101135, 202270, 222497, 404540, 444994, 889988, 1112485, 2224970, 4449940]

約数ペア:

[(1, 4449940), (2, 2224970), (4, 1112485), (5, 889988), (10, 444994), (11, 404540), (20, 222497), (22, 202270), (44, 101135), (55, 80908), (110, 40454), (113, 39380), (179, 24860), (220, 20227), (226, 19690), (358, 12430), (452, 9845), (565, 7876), (716, 6215), (895, 4972), (1130, 3938), (1243, 3580), (1790, 2486), (1969, 2260)]