202808305

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 292533120

約数和(自身を除く): 89724815

約数列:

[1, 5, 7, 35, 49, 71, 89, 131, 245, 355, 445, 497, 623, 655, 917, 2485, 3115, 3479, 4361, 4585, 6319, 6419, 9301, 11659, 17395, 21805, 31595, 32095, 44233, 46505, 58295, 65107, 81613, 221165, 309631, 325535, 408065, 455749, 571291, 827789, 1548155, 2278745, 2856455, 4138945, 5794523, 28972615, 40561661, 202808305]

約数ペア:

[(1, 202808305), (5, 40561661), (7, 28972615), (35, 5794523), (49, 4138945), (71, 2856455), (89, 2278745), (131, 1548155), (245, 827789), (355, 571291), (445, 455749), (497, 408065), (623, 325535), (655, 309631), (917, 221165), (2485, 81613), (3115, 65107), (3479, 58295), (4361, 46505), (4585, 44233), (6319, 32095), (6419, 31595), (9301, 21805), (11659, 17395)]