17990100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{2221}}^1$

素因数の和:2247

約数の個数: 90

約数和(自身を含む): 58343054

約数和(自身を除く): 40352954

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2221, 2700, 4050, 4442, 6663, 8100, 8884, 11105, 13326, 19989, 22210, 26652, 33315, 39978, 44420, 55525, 59967, 66630, 79956, 99945, 111050, 119934, 133260, 166575, 179901, 199890, 222100, 239868, 299835, 333150, 359802, 399780, 499725, 599670, 666300, 719604, 899505, 999450, 1199340, 1499175, 1799010, 1998900, 2998350, 3598020, 4497525, 5996700, 8995050, 17990100]

約数ペア:

[(1, 17990100), (2, 8995050), (3, 5996700), (4, 4497525), (5, 3598020), (6, 2998350), (9, 1998900), (10, 1799010), (12, 1499175), (15, 1199340), (18, 999450), (20, 899505), (25, 719604), (27, 666300), (30, 599670), (36, 499725), (45, 399780), (50, 359802), (54, 333150), (60, 299835), (75, 239868), (81, 222100), (90, 199890), (100, 179901), (108, 166575), (135, 133260), (150, 119934), (162, 111050), (180, 99945), (225, 79956), (270, 66630), (300, 59967), (324, 55525), (405, 44420), (450, 39978), (540, 33315), (675, 26652), (810, 22210), (900, 19989), (1350, 13326), (1620, 11105), (2025, 8884), (2221, 8100), (2700, 6663), (4050, 4442)]