1856740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 4257792

約数和(自身を除く): 2401052

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 127, 170, 172, 215, 254, 340, 430, 508, 635, 731, 860, 1270, 1462, 2159, 2540, 2924, 3655, 4318, 5461, 7310, 8636, 10795, 10922, 14620, 21590, 21844, 27305, 43180, 54610, 92837, 109220, 185674, 371348, 464185, 928370, 1856740]

約数ペア:

[(1, 1856740), (2, 928370), (4, 464185), (5, 371348), (10, 185674), (17, 109220), (20, 92837), (34, 54610), (43, 43180), (68, 27305), (85, 21844), (86, 21590), (127, 14620), (170, 10922), (172, 10795), (215, 8636), (254, 7310), (340, 5461), (430, 4318), (508, 3655), (635, 2924), (731, 2540), (860, 2159), (1270, 1462)]