384688720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{369893}}^1$

素因数の和:369919

約数の個数: 40

約数和(自身を含む): 963203976

約数和(自身を除く): 578515256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 369893, 739786, 1479572, 1849465, 2959144, 3698930, 4808609, 5918288, 7397860, 9617218, 14795720, 19234436, 24043045, 29591440, 38468872, 48086090, 76937744, 96172180, 192344360, 384688720]

約数ペア:

[(1, 384688720), (2, 192344360), (4, 96172180), (5, 76937744), (8, 48086090), (10, 38468872), (13, 29591440), (16, 24043045), (20, 19234436), (26, 14795720), (40, 9617218), (52, 7397860), (65, 5918288), (80, 4808609), (104, 3698930), (130, 2959144), (208, 1849465), (260, 1479572), (520, 739786), (1040, 369893)]