100221520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{937}}^1$

素因数の和:1148

約数の個数: 80

約数和(自身を含む): 267982848

約数和(自身を除く): 167761328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 191, 280, 382, 560, 764, 937, 955, 1337, 1528, 1874, 1910, 2674, 3056, 3748, 3820, 4685, 5348, 6559, 6685, 7496, 7640, 9370, 10696, 13118, 13370, 14992, 15280, 18740, 21392, 26236, 26740, 32795, 37480, 52472, 53480, 65590, 74960, 104944, 106960, 131180, 178967, 262360, 357934, 524720, 715868, 894835, 1252769, 1431736, 1789670, 2505538, 2863472, 3579340, 5011076, 6263845, 7158680, 10022152, 12527690, 14317360, 20044304, 25055380, 50110760, 100221520]

約数ペア:

[(1, 100221520), (2, 50110760), (4, 25055380), (5, 20044304), (7, 14317360), (8, 12527690), (10, 10022152), (14, 7158680), (16, 6263845), (20, 5011076), (28, 3579340), (35, 2863472), (40, 2505538), (56, 1789670), (70, 1431736), (80, 1252769), (112, 894835), (140, 715868), (191, 524720), (280, 357934), (382, 262360), (560, 178967), (764, 131180), (937, 106960), (955, 104944), (1337, 74960), (1528, 65590), (1874, 53480), (1910, 52472), (2674, 37480), (3056, 32795), (3748, 26740), (3820, 26236), (4685, 21392), (5348, 18740), (6559, 15280), (6685, 14992), (7496, 13370), (7640, 13118), (9370, 10696)]