1749641380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{21997}}^1$

素因数の和:22144

約数の個数: 48

約数和(自身を含む): 3802838256

約数和(自身を除く): 2053196876

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 410, 485, 820, 970, 1940, 3977, 7954, 15908, 19885, 21997, 39770, 43994, 79540, 87988, 109985, 219970, 439940, 901877, 1803754, 2133709, 3607508, 4267418, 4509385, 8534836, 9018770, 10668545, 18037540, 21337090, 42674180, 87482069, 174964138, 349928276, 437410345, 874820690, 1749641380]

約数ペア:

[(1, 1749641380), (2, 874820690), (4, 437410345), (5, 349928276), (10, 174964138), (20, 87482069), (41, 42674180), (82, 21337090), (97, 18037540), (164, 10668545), (194, 9018770), (205, 8534836), (388, 4509385), (410, 4267418), (485, 3607508), (820, 2133709), (970, 1803754), (1940, 901877), (3977, 439940), (7954, 219970), (15908, 109985), (19885, 87988), (21997, 79540), (39770, 43994)]