489547570

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1\times {\mathrm{1229}}^1$

素因数の和:1950

約数の個数: 32

約数和(自身を含む): 897732720

約数和(自身を除く): 408185150

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 653, 1229, 1306, 2458, 3265, 6145, 6530, 12290, 39833, 74969, 79666, 149938, 199165, 374845, 398330, 749690, 802537, 1605074, 4012685, 8025370, 48954757, 97909514, 244773785, 489547570]

約数ペア:

[(1, 489547570), (2, 244773785), (5, 97909514), (10, 48954757), (61, 8025370), (122, 4012685), (305, 1605074), (610, 802537), (653, 749690), (1229, 398330), (1306, 374845), (2458, 199165), (3265, 149938), (6145, 79666), (6530, 74969), (12290, 39833)]