393156740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{24061}}^1$

素因数の和:24132

約数の個数: 48

約数和(自身を含む): 889331520

約数和(自身を除く): 496174780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 16340, 24061, 48122, 96244, 120305, 240610, 457159, 481220, 914318, 1034623, 1828636, 2069246, 2285795, 4138492, 4571590, 5173115, 9143180, 10346230, 19657837, 20692460, 39315674, 78631348, 98289185, 196578370, 393156740]

約数ペア:

[(1, 393156740), (2, 196578370), (4, 98289185), (5, 78631348), (10, 39315674), (19, 20692460), (20, 19657837), (38, 10346230), (43, 9143180), (76, 5173115), (86, 4571590), (95, 4138492), (172, 2285795), (190, 2069246), (215, 1828636), (380, 1034623), (430, 914318), (817, 481220), (860, 457159), (1634, 240610), (3268, 120305), (4085, 96244), (8170, 48122), (16340, 24061)]