7900100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 18957120

約数和(自身を除く): 11057020

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 59, 65, 100, 103, 118, 130, 206, 236, 260, 295, 325, 412, 515, 590, 650, 767, 1030, 1180, 1300, 1339, 1475, 1534, 2060, 2575, 2678, 2950, 3068, 3835, 5150, 5356, 5900, 6077, 6695, 7670, 10300, 12154, 13390, 15340, 19175, 24308, 26780, 30385, 33475, 38350, 60770, 66950, 76700, 79001, 121540, 133900, 151925, 158002, 303850, 316004, 395005, 607700, 790010, 1580020, 1975025, 3950050, 7900100]

約数ペア:

[(1, 7900100), (2, 3950050), (4, 1975025), (5, 1580020), (10, 790010), (13, 607700), (20, 395005), (25, 316004), (26, 303850), (50, 158002), (52, 151925), (59, 133900), (65, 121540), (100, 79001), (103, 76700), (118, 66950), (130, 60770), (206, 38350), (236, 33475), (260, 30385), (295, 26780), (325, 24308), (412, 19175), (515, 15340), (590, 13390), (650, 12154), (767, 10300), (1030, 7670), (1180, 6695), (1300, 6077), (1339, 5900), (1475, 5356), (1534, 5150), (2060, 3835), (2575, 3068), (2678, 2950)]