9975550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 20311200

約数和(自身を除く): 10335650

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 103, 130, 149, 206, 298, 325, 515, 650, 745, 1030, 1339, 1490, 1937, 2575, 2678, 3725, 3874, 5150, 6695, 7450, 9685, 13390, 15347, 19370, 30694, 33475, 48425, 66950, 76735, 96850, 153470, 199511, 383675, 399022, 767350, 997555, 1995110, 4987775, 9975550]

約数ペア:

[(1, 9975550), (2, 4987775), (5, 1995110), (10, 997555), (13, 767350), (25, 399022), (26, 383675), (50, 199511), (65, 153470), (103, 96850), (130, 76735), (149, 66950), (206, 48425), (298, 33475), (325, 30694), (515, 19370), (650, 15347), (745, 13390), (1030, 9685), (1339, 7450), (1490, 6695), (1937, 5150), (2575, 3874), (2678, 3725)]