2109407140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1\times {\mathrm{3499}}^1$

素因数の和:4252

約数の個数: 48

約数和(自身を含む): 4540536000

約数和(自身を除く): 2431128860

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 701, 860, 1402, 2804, 3499, 3505, 6998, 7010, 13996, 14020, 17495, 30143, 34990, 60286, 69980, 120572, 150457, 150715, 300914, 301430, 601828, 602860, 752285, 1504570, 2452799, 3009140, 4905598, 9811196, 12263995, 24527990, 49055980, 105470357, 210940714, 421881428, 527351785, 1054703570, 2109407140]

約数ペア:

[(1, 2109407140), (2, 1054703570), (4, 527351785), (5, 421881428), (10, 210940714), (20, 105470357), (43, 49055980), (86, 24527990), (172, 12263995), (215, 9811196), (430, 4905598), (701, 3009140), (860, 2452799), (1402, 1504570), (2804, 752285), (3499, 602860), (3505, 601828), (6998, 301430), (7010, 300914), (13996, 150715), (14020, 150457), (17495, 120572), (30143, 69980), (34990, 60286)]