316141420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{20717}}^1$

素因数の和:20842

約数の個数: 48

約数和(自身を含む): 765737280

約数和(自身を除く): 449595860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 20717, 41434, 82868, 103585, 145019, 207170, 290038, 414340, 580076, 725095, 1450190, 2258153, 2900380, 4516306, 9032612, 11290765, 15807071, 22581530, 31614142, 45163060, 63228284, 79035355, 158070710, 316141420]

約数ペア:

[(1, 316141420), (2, 158070710), (4, 79035355), (5, 63228284), (7, 45163060), (10, 31614142), (14, 22581530), (20, 15807071), (28, 11290765), (35, 9032612), (70, 4516306), (109, 2900380), (140, 2258153), (218, 1450190), (436, 725095), (545, 580076), (763, 414340), (1090, 290038), (1526, 207170), (2180, 145019), (3052, 103585), (3815, 82868), (7630, 41434), (15260, 20717)]