4901140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 10866240

約数和(自身を除く): 5965100

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 139, 164, 172, 205, 215, 278, 410, 430, 556, 695, 820, 860, 1390, 1763, 2780, 3526, 5699, 5977, 7052, 8815, 11398, 11954, 17630, 22796, 23908, 28495, 29885, 35260, 56990, 59770, 113980, 119540, 245057, 490114, 980228, 1225285, 2450570, 4901140]

約数ペア:

[(1, 4901140), (2, 2450570), (4, 1225285), (5, 980228), (10, 490114), (20, 245057), (41, 119540), (43, 113980), (82, 59770), (86, 56990), (139, 35260), (164, 29885), (172, 28495), (205, 23908), (215, 22796), (278, 17630), (410, 11954), (430, 11398), (556, 8815), (695, 7052), (820, 5977), (860, 5699), (1390, 3526), (1763, 2780)]