868752020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1373}}^1\times {\mathrm{1861}}^1$

素因数の和:3260

約数の個数: 48

約数和(自身を含む): 1934141328

約数和(自身を除く): 1065389308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1373, 1861, 2746, 3722, 5492, 6865, 7444, 9305, 13730, 18610, 23341, 27460, 31637, 37220, 46682, 63274, 93364, 116705, 126548, 158185, 233410, 316370, 466820, 632740, 2555153, 5110306, 10220612, 12775765, 25551530, 43437601, 51103060, 86875202, 173750404, 217188005, 434376010, 868752020]

約数ペア:

[(1, 868752020), (2, 434376010), (4, 217188005), (5, 173750404), (10, 86875202), (17, 51103060), (20, 43437601), (34, 25551530), (68, 12775765), (85, 10220612), (170, 5110306), (340, 2555153), (1373, 632740), (1861, 466820), (2746, 316370), (3722, 233410), (5492, 158185), (6865, 126548), (7444, 116705), (9305, 93364), (13730, 63274), (18610, 46682), (23341, 37220), (27460, 31637)]