209599240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1789}}^1$

素因数の和:1930

約数の個数: 64

約数和(自身を含む): 492966000

約数和(自身を除く): 283366760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 101, 116, 145, 202, 232, 290, 404, 505, 580, 808, 1010, 1160, 1789, 2020, 2929, 3578, 4040, 5858, 7156, 8945, 11716, 14312, 14645, 17890, 23432, 29290, 35780, 51881, 58580, 71560, 103762, 117160, 180689, 207524, 259405, 361378, 415048, 518810, 722756, 903445, 1037620, 1445512, 1806890, 2075240, 3613780, 5239981, 7227560, 10479962, 20959924, 26199905, 41919848, 52399810, 104799620, 209599240]

約数ペア:

[(1, 209599240), (2, 104799620), (4, 52399810), (5, 41919848), (8, 26199905), (10, 20959924), (20, 10479962), (29, 7227560), (40, 5239981), (58, 3613780), (101, 2075240), (116, 1806890), (145, 1445512), (202, 1037620), (232, 903445), (290, 722756), (404, 518810), (505, 415048), (580, 361378), (808, 259405), (1010, 207524), (1160, 180689), (1789, 117160), (2020, 103762), (2929, 71560), (3578, 58580), (4040, 51881), (5858, 35780), (7156, 29290), (8945, 23432), (11716, 17890), (14312, 14645)]