2295340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 5255712

約数和(自身を除く): 2960372

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 157, 170, 172, 215, 314, 340, 430, 628, 731, 785, 860, 1462, 1570, 2669, 2924, 3140, 3655, 5338, 6751, 7310, 10676, 13345, 13502, 14620, 26690, 27004, 33755, 53380, 67510, 114767, 135020, 229534, 459068, 573835, 1147670, 2295340]

約数ペア:

[(1, 2295340), (2, 1147670), (4, 573835), (5, 459068), (10, 229534), (17, 135020), (20, 114767), (34, 67510), (43, 53380), (68, 33755), (85, 27004), (86, 26690), (157, 14620), (170, 13502), (172, 13345), (215, 10676), (314, 7310), (340, 6751), (430, 5338), (628, 3655), (731, 3140), (785, 2924), (860, 2669), (1462, 1570)]