490850120

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{29287}}^1$

素因数の和:29717

約数の個数: 32

約数和(自身を含む): 1107086400

約数和(自身を除く): 616236280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 16760, 29287, 58574, 117148, 146435, 234296, 292870, 585740, 1171480, 12271253, 24542506, 49085012, 61356265, 98170024, 122712530, 245425060, 490850120]

約数ペア:

[(1, 490850120), (2, 245425060), (4, 122712530), (5, 98170024), (8, 61356265), (10, 49085012), (20, 24542506), (40, 12271253), (419, 1171480), (838, 585740), (1676, 292870), (2095, 234296), (3352, 146435), (4190, 117148), (8380, 58574), (16760, 29287)]