2138260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 5019840

約数和(自身を除く): 2881580

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 331, 340, 380, 646, 662, 1292, 1324, 1615, 1655, 3230, 3310, 5627, 6289, 6460, 6620, 11254, 12578, 22508, 25156, 28135, 31445, 56270, 62890, 106913, 112540, 125780, 213826, 427652, 534565, 1069130, 2138260]

約数ペア:

[(1, 2138260), (2, 1069130), (4, 534565), (5, 427652), (10, 213826), (17, 125780), (19, 112540), (20, 106913), (34, 62890), (38, 56270), (68, 31445), (76, 28135), (85, 25156), (95, 22508), (170, 12578), (190, 11254), (323, 6620), (331, 6460), (340, 6289), (380, 5627), (646, 3310), (662, 3230), (1292, 1655), (1324, 1615)]