78502220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3631}}^1$

素因数の和:3710

約数の個数: 48

約数和(自身を含む): 175730688

約数和(自身を除く): 97228468

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 3631, 4324, 5405, 7262, 10810, 14524, 18155, 21620, 36310, 72620, 83513, 167026, 170657, 334052, 341314, 417565, 682628, 835130, 853285, 1670260, 1706570, 3413140, 3925111, 7850222, 15700444, 19625555, 39251110, 78502220]

約数ペア:

[(1, 78502220), (2, 39251110), (4, 19625555), (5, 15700444), (10, 7850222), (20, 3925111), (23, 3413140), (46, 1706570), (47, 1670260), (92, 853285), (94, 835130), (115, 682628), (188, 417565), (230, 341314), (235, 334052), (460, 170657), (470, 167026), (940, 83513), (1081, 72620), (2162, 36310), (3631, 21620), (4324, 18155), (5405, 14524), (7262, 10810)]