169517720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2437}}^1$

素因数の和:2532

約数の個数: 64

約数和(自身を含む): 400222080

約数和(自身を除く): 230704360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 296, 370, 376, 470, 740, 940, 1480, 1739, 1880, 2437, 3478, 4874, 6956, 8695, 9748, 12185, 13912, 17390, 19496, 24370, 34780, 48740, 69560, 90169, 97480, 114539, 180338, 229078, 360676, 450845, 458156, 572695, 721352, 901690, 916312, 1145390, 1803380, 2290780, 3606760, 4237943, 4581560, 8475886, 16951772, 21189715, 33903544, 42379430, 84758860, 169517720]

約数ペア:

[(1, 169517720), (2, 84758860), (4, 42379430), (5, 33903544), (8, 21189715), (10, 16951772), (20, 8475886), (37, 4581560), (40, 4237943), (47, 3606760), (74, 2290780), (94, 1803380), (148, 1145390), (185, 916312), (188, 901690), (235, 721352), (296, 572695), (370, 458156), (376, 450845), (470, 360676), (740, 229078), (940, 180338), (1480, 114539), (1739, 97480), (1880, 90169), (2437, 69560), (3478, 48740), (4874, 34780), (6956, 24370), (8695, 19496), (9748, 17390), (12185, 13912)]