201744640

素因数分解:

$2^8\times 5^1\times {\mathrm{277}}^1\times {\mathrm{569}}^1$

素因数の和:867

約数の個数: 72

約数和(自身を含む): 485838360

約数和(自身を除く): 284093720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 277, 320, 554, 569, 640, 1108, 1138, 1280, 1385, 2216, 2276, 2770, 2845, 4432, 4552, 5540, 5690, 8864, 9104, 11080, 11380, 17728, 18208, 22160, 22760, 35456, 36416, 44320, 45520, 70912, 72832, 88640, 91040, 145664, 157613, 177280, 182080, 315226, 354560, 364160, 630452, 728320, 788065, 1260904, 1576130, 2521808, 3152260, 5043616, 6304520, 10087232, 12609040, 20174464, 25218080, 40348928, 50436160, 100872320, 201744640]

約数ペア:

[(1, 201744640), (2, 100872320), (4, 50436160), (5, 40348928), (8, 25218080), (10, 20174464), (16, 12609040), (20, 10087232), (32, 6304520), (40, 5043616), (64, 3152260), (80, 2521808), (128, 1576130), (160, 1260904), (256, 788065), (277, 728320), (320, 630452), (554, 364160), (569, 354560), (640, 315226), (1108, 182080), (1138, 177280), (1280, 157613), (1385, 145664), (2216, 91040), (2276, 88640), (2770, 72832), (2845, 70912), (4432, 45520), (4552, 44320), (5540, 36416), (5690, 35456), (8864, 22760), (9104, 22160), (11080, 18208), (11380, 17728)]