2902220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 36

約数和(自身を含む): 6339312

約数和(自身を除く): 3437092

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 151, 155, 302, 310, 604, 620, 755, 961, 1510, 1922, 3020, 3844, 4681, 4805, 9362, 9610, 18724, 19220, 23405, 46810, 93620, 145111, 290222, 580444, 725555, 1451110, 2902220]

約数ペア:

[(1, 2902220), (2, 1451110), (4, 725555), (5, 580444), (10, 290222), (20, 145111), (31, 93620), (62, 46810), (124, 23405), (151, 19220), (155, 18724), (302, 9610), (310, 9362), (604, 4805), (620, 4681), (755, 3844), (961, 3020), (1510, 1922)]