2188580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 5016816

約数和(自身を除く): 2828236

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 157, 164, 170, 205, 314, 340, 410, 628, 697, 785, 820, 1394, 1570, 2669, 2788, 3140, 3485, 5338, 6437, 6970, 10676, 12874, 13345, 13940, 25748, 26690, 32185, 53380, 64370, 109429, 128740, 218858, 437716, 547145, 1094290, 2188580]

約数ペア:

[(1, 2188580), (2, 1094290), (4, 547145), (5, 437716), (10, 218858), (17, 128740), (20, 109429), (34, 64370), (41, 53380), (68, 32185), (82, 26690), (85, 25748), (157, 13940), (164, 13345), (170, 12874), (205, 10676), (314, 6970), (340, 6437), (410, 5338), (628, 3485), (697, 3140), (785, 2788), (820, 2669), (1394, 1570)]