218974850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{479}}^1$

素因数の和:755

約数の個数: 48

約数和(自身を含む): 419973120

約数和(自身を除く): 200998270

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 223, 410, 446, 479, 958, 1025, 1115, 2050, 2230, 2395, 4790, 5575, 9143, 11150, 11975, 18286, 19639, 23950, 39278, 45715, 91430, 98195, 106817, 196390, 213634, 228575, 457150, 490975, 534085, 981950, 1068170, 2670425, 4379497, 5340850, 8758994, 21897485, 43794970, 109487425, 218974850]

約数ペア:

[(1, 218974850), (2, 109487425), (5, 43794970), (10, 21897485), (25, 8758994), (41, 5340850), (50, 4379497), (82, 2670425), (205, 1068170), (223, 981950), (410, 534085), (446, 490975), (479, 457150), (958, 228575), (1025, 213634), (1115, 196390), (2050, 106817), (2230, 98195), (2395, 91430), (4790, 45715), (5575, 39278), (9143, 23950), (11150, 19639), (11975, 18286)]