4086290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 8586648

約数和(自身を除く): 4500358

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 43, 65, 85, 86, 130, 170, 215, 221, 430, 442, 559, 731, 1105, 1118, 1462, 1849, 2210, 2795, 3655, 3698, 5590, 7310, 9245, 9503, 18490, 19006, 24037, 31433, 47515, 48074, 62866, 95030, 120185, 157165, 240370, 314330, 408629, 817258, 2043145, 4086290]

約数ペア:

[(1, 4086290), (2, 2043145), (5, 817258), (10, 408629), (13, 314330), (17, 240370), (26, 157165), (34, 120185), (43, 95030), (65, 62866), (85, 48074), (86, 47515), (130, 31433), (170, 24037), (215, 19006), (221, 18490), (430, 9503), (442, 9245), (559, 7310), (731, 5590), (1105, 3698), (1118, 3655), (1462, 2795), (1849, 2210)]