199100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:206

約数の個数: 36

約数和(自身を含む): 473928

約数和(自身を除く): 274828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 181, 220, 275, 362, 550, 724, 905, 1100, 1810, 1991, 3620, 3982, 4525, 7964, 9050, 9955, 18100, 19910, 39820, 49775, 99550, 199100]

約数ペア:

[(1, 199100), (2, 99550), (4, 49775), (5, 39820), (10, 19910), (11, 18100), (20, 9955), (22, 9050), (25, 7964), (44, 4525), (50, 3982), (55, 3620), (100, 1991), (110, 1810), (181, 1100), (220, 905), (275, 724), (362, 550)]