9201800

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 21613200

約数和(自身を除く): 12411400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 331, 556, 662, 695, 1112, 1324, 1390, 1655, 2648, 2780, 3310, 3475, 5560, 6620, 6950, 8275, 13240, 13900, 16550, 27800, 33100, 46009, 66200, 92018, 184036, 230045, 368072, 460090, 920180, 1150225, 1840360, 2300450, 4600900, 9201800]

約数ペア:

[(1, 9201800), (2, 4600900), (4, 2300450), (5, 1840360), (8, 1150225), (10, 920180), (20, 460090), (25, 368072), (40, 230045), (50, 184036), (100, 92018), (139, 66200), (200, 46009), (278, 33100), (331, 27800), (556, 16550), (662, 13900), (695, 13240), (1112, 8275), (1324, 6950), (1390, 6620), (1655, 5560), (2648, 3475), (2780, 3310)]