208825820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{9151}}^1$

素因数の和:9330

約数の個数: 48

約数和(自身を含む): 504311808

約数和(自身を除く): 295485988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 4564, 5705, 9151, 11410, 18302, 22820, 36604, 45755, 64057, 91510, 128114, 183020, 256228, 320285, 640570, 1281140, 1491613, 2983226, 5966452, 7458065, 10441291, 14916130, 20882582, 29832260, 41765164, 52206455, 104412910, 208825820]

約数ペア:

[(1, 208825820), (2, 104412910), (4, 52206455), (5, 41765164), (7, 29832260), (10, 20882582), (14, 14916130), (20, 10441291), (28, 7458065), (35, 5966452), (70, 2983226), (140, 1491613), (163, 1281140), (326, 640570), (652, 320285), (815, 256228), (1141, 183020), (1630, 128114), (2282, 91510), (3260, 64057), (4564, 45755), (5705, 36604), (9151, 22820), (11410, 18302)]