1800260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 4826304

約数和(自身を除く): 3026044

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 167, 196, 220, 245, 308, 334, 385, 490, 539, 668, 770, 835, 980, 1078, 1169, 1540, 1670, 1837, 2156, 2338, 2695, 3340, 3674, 4676, 5390, 5845, 7348, 8183, 9185, 10780, 11690, 12859, 16366, 18370, 23380, 25718, 32732, 36740, 40915, 51436, 64295, 81830, 90013, 128590, 163660, 180026, 257180, 360052, 450065, 900130, 1800260]

約数ペア:

[(1, 1800260), (2, 900130), (4, 450065), (5, 360052), (7, 257180), (10, 180026), (11, 163660), (14, 128590), (20, 90013), (22, 81830), (28, 64295), (35, 51436), (44, 40915), (49, 36740), (55, 32732), (70, 25718), (77, 23380), (98, 18370), (110, 16366), (140, 12859), (154, 11690), (167, 10780), (196, 9185), (220, 8183), (245, 7348), (308, 5845), (334, 5390), (385, 4676), (490, 3674), (539, 3340), (668, 2695), (770, 2338), (835, 2156), (980, 1837), (1078, 1670), (1169, 1540)]