201817090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{1789}}^1$

素因数の和:2214

約数の個数: 32

約数和(自身を含む): 376974000

約数和(自身を除く): 175156910

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 389, 778, 1789, 1945, 3578, 3890, 8945, 11281, 17890, 22562, 51881, 56405, 103762, 112810, 259405, 518810, 695921, 1391842, 3479605, 6959210, 20181709, 40363418, 100908545, 201817090]

約数ペア:

[(1, 201817090), (2, 100908545), (5, 40363418), (10, 20181709), (29, 6959210), (58, 3479605), (145, 1391842), (290, 695921), (389, 518810), (778, 259405), (1789, 112810), (1945, 103762), (3578, 56405), (3890, 51881), (8945, 22562), (11281, 17890)]