196458020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{81181}}^1$

素因数の和:81212

約数の個数: 36

約数和(自身を含む): 453482652

約数和(自身を除く): 257024632

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 81181, 162362, 324724, 405905, 811810, 892991, 1623620, 1785982, 3571964, 4464955, 8929910, 9822901, 17859820, 19645802, 39291604, 49114505, 98229010, 196458020]

約数ペア:

[(1, 196458020), (2, 98229010), (4, 49114505), (5, 39291604), (10, 19645802), (11, 17859820), (20, 9822901), (22, 8929910), (44, 4464955), (55, 3571964), (110, 1785982), (121, 1623620), (220, 892991), (242, 811810), (484, 405905), (605, 324724), (1210, 162362), (2420, 81181)]