17541020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2557}}^1$

素因数の和:2587

約数の個数: 48

約数和(自身を含む): 42974400

約数和(自身を除く): 25433380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2557, 3430, 5114, 6860, 10228, 12785, 17899, 25570, 35798, 51140, 71596, 89495, 125293, 178990, 250586, 357980, 501172, 626465, 877051, 1252930, 1754102, 2505860, 3508204, 4385255, 8770510, 17541020]

約数ペア:

[(1, 17541020), (2, 8770510), (4, 4385255), (5, 3508204), (7, 2505860), (10, 1754102), (14, 1252930), (20, 877051), (28, 626465), (35, 501172), (49, 357980), (70, 250586), (98, 178990), (140, 125293), (196, 89495), (245, 71596), (343, 51140), (490, 35798), (686, 25570), (980, 17899), (1372, 12785), (1715, 10228), (2557, 6860), (3430, 5114)]