2221690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 4250880

約数和(自身を除く): 2029190

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 145, 163, 235, 290, 326, 470, 815, 1363, 1630, 2726, 4727, 6815, 7661, 9454, 13630, 15322, 23635, 38305, 47270, 76610, 222169, 444338, 1110845, 2221690]

約数ペア:

[(1, 2221690), (2, 1110845), (5, 444338), (10, 222169), (29, 76610), (47, 47270), (58, 38305), (94, 23635), (145, 15322), (163, 13630), (235, 9454), (290, 7661), (326, 6815), (470, 4727), (815, 2726), (1363, 1630)]