307008820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{8707}}^1$

素因数の和:8800

約数の個数: 48

約数和(自身を含む): 675880128

約数和(自身を除く): 368871308

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 7052, 8707, 8815, 17414, 17630, 34828, 35260, 43535, 87070, 174140, 356987, 374401, 713974, 748802, 1427948, 1497604, 1784935, 1872005, 3569870, 3744010, 7139740, 7488020, 15350441, 30700882, 61401764, 76752205, 153504410, 307008820]

約数ペア:

[(1, 307008820), (2, 153504410), (4, 76752205), (5, 61401764), (10, 30700882), (20, 15350441), (41, 7488020), (43, 7139740), (82, 3744010), (86, 3569870), (164, 1872005), (172, 1784935), (205, 1497604), (215, 1427948), (410, 748802), (430, 713974), (820, 374401), (860, 356987), (1763, 174140), (3526, 87070), (7052, 43535), (8707, 35260), (8815, 34828), (17414, 17630)]