2181036620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{502543}}^1$

素因数の和:502590

約数の個数: 48

約数和(自身を含む): 5403353088

約数和(自身を除く): 3222316468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 502543, 1005086, 2010172, 2512715, 3517801, 5025430, 7035602, 10050860, 14071204, 15578833, 17589005, 31157666, 35178010, 62315332, 70356020, 77894165, 109051831, 155788330, 218103662, 311576660, 436207324, 545259155, 1090518310, 2181036620]

約数ペア:

[(1, 2181036620), (2, 1090518310), (4, 545259155), (5, 436207324), (7, 311576660), (10, 218103662), (14, 155788330), (20, 109051831), (28, 77894165), (31, 70356020), (35, 62315332), (62, 35178010), (70, 31157666), (124, 17589005), (140, 15578833), (155, 14071204), (217, 10050860), (310, 7035602), (434, 5025430), (620, 3517801), (868, 2512715), (1085, 2010172), (2170, 1005086), (4340, 502543)]