225296720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{256019}}^1$

素因数の和:256043

約数の個数: 40

約数和(自身を含む): 571436640

約数和(自身を除く): 346139920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 256019, 512038, 1024076, 1280095, 2048152, 2560190, 2816209, 4096304, 5120380, 5632418, 10240760, 11264836, 14081045, 20481520, 22529672, 28162090, 45059344, 56324180, 112648360, 225296720]

約数ペア:

[(1, 225296720), (2, 112648360), (4, 56324180), (5, 45059344), (8, 28162090), (10, 22529672), (11, 20481520), (16, 14081045), (20, 11264836), (22, 10240760), (40, 5632418), (44, 5120380), (55, 4096304), (80, 2816209), (88, 2560190), (110, 2048152), (176, 1280095), (220, 1024076), (440, 512038), (880, 256019)]