284304640

素因数分解:

$2^8\times 5^1\times {\mathrm{222113}}^1$

素因数の和:222134

約数の個数: 36

約数和(自身を含む): 681001524

約数和(自身を除く): 396696884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 222113, 444226, 888452, 1110565, 1776904, 2221130, 3553808, 4442260, 7107616, 8884520, 14215232, 17769040, 28430464, 35538080, 56860928, 71076160, 142152320, 284304640]

約数ペア:

[(1, 284304640), (2, 142152320), (4, 71076160), (5, 56860928), (8, 35538080), (10, 28430464), (16, 17769040), (20, 14215232), (32, 8884520), (40, 7107616), (64, 4442260), (80, 3553808), (128, 2221130), (160, 1776904), (256, 1110565), (320, 888452), (640, 444226), (1280, 222113)]