197808220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101963}}^1$

素因数の和:102069

約数の個数: 24

約数和(自身を含む): 419683824

約数和(自身を除く): 221875604

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 101963, 203926, 407852, 509815, 1019630, 2039260, 9890411, 19780822, 39561644, 49452055, 98904110, 197808220]

約数ペア:

[(1, 197808220), (2, 98904110), (4, 49452055), (5, 39561644), (10, 19780822), (20, 9890411), (97, 2039260), (194, 1019630), (388, 509815), (485, 407852), (970, 203926), (1940, 101963)]