404601820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{412859}}^1$

素因数の和:412882

約数の個数: 36

約数和(自身を含む): 988386840

約数和(自身を除く): 583785020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 412859, 825718, 1651436, 2064295, 2890013, 4128590, 5780026, 8257180, 11560052, 14450065, 20230091, 28900130, 40460182, 57800260, 80920364, 101150455, 202300910, 404601820]

約数ペア:

[(1, 404601820), (2, 202300910), (4, 101150455), (5, 80920364), (7, 57800260), (10, 40460182), (14, 28900130), (20, 20230091), (28, 14450065), (35, 11560052), (49, 8257180), (70, 5780026), (98, 4128590), (140, 2890013), (196, 2064295), (245, 1651436), (490, 825718), (980, 412859)]