66147740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1597}}^1$

素因数の和:1734

約数の個数: 48

約数和(自身を含む): 147655200

約数和(自身を除く): 81507460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 1597, 2071, 2180, 3194, 4142, 6388, 7985, 8284, 10355, 15970, 20710, 30343, 31940, 41420, 60686, 121372, 151715, 174073, 303430, 348146, 606860, 696292, 870365, 1740730, 3307387, 3481460, 6614774, 13229548, 16536935, 33073870, 66147740]

約数ペア:

[(1, 66147740), (2, 33073870), (4, 16536935), (5, 13229548), (10, 6614774), (19, 3481460), (20, 3307387), (38, 1740730), (76, 870365), (95, 696292), (109, 606860), (190, 348146), (218, 303430), (380, 174073), (436, 151715), (545, 121372), (1090, 60686), (1597, 41420), (2071, 31940), (2180, 30343), (3194, 20710), (4142, 15970), (6388, 10355), (7985, 8284)]