199293820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21067}}^1$

素因数の和:21130

約数の個数: 48

約数和(自身を含む): 467203968

約数和(自身を除く): 267910148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 21067, 42134, 84268, 105335, 210670, 231737, 421340, 463474, 905881, 926948, 1158685, 1811762, 2317370, 3623524, 4529405, 4634740, 9058810, 9964691, 18117620, 19929382, 39858764, 49823455, 99646910, 199293820]

約数ペア:

[(1, 199293820), (2, 99646910), (4, 49823455), (5, 39858764), (10, 19929382), (11, 18117620), (20, 9964691), (22, 9058810), (43, 4634740), (44, 4529405), (55, 3623524), (86, 2317370), (110, 1811762), (172, 1158685), (215, 926948), (220, 905881), (430, 463474), (473, 421340), (860, 231737), (946, 210670), (1892, 105335), (2365, 84268), (4730, 42134), (9460, 21067)]