11889740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 26148864

約数和(自身を除く): 14259124

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 151, 155, 254, 302, 310, 508, 604, 620, 635, 755, 1270, 1510, 2540, 3020, 3937, 4681, 7874, 9362, 15748, 18724, 19177, 19685, 23405, 38354, 39370, 46810, 76708, 78740, 93620, 95885, 191770, 383540, 594487, 1188974, 2377948, 2972435, 5944870, 11889740]

約数ペア:

[(1, 11889740), (2, 5944870), (4, 2972435), (5, 2377948), (10, 1188974), (20, 594487), (31, 383540), (62, 191770), (124, 95885), (127, 93620), (151, 78740), (155, 76708), (254, 46810), (302, 39370), (310, 38354), (508, 23405), (604, 19685), (620, 19177), (635, 18724), (755, 15748), (1270, 9362), (1510, 7874), (2540, 4681), (3020, 3937)]