1681291220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{12009223}}^1$

素因数の和:12009239

約数の個数: 24

約数和(自身を含む): 4035099264

約数和(自身を除く): 2353808044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 12009223, 24018446, 48036892, 60046115, 84064561, 120092230, 168129122, 240184460, 336258244, 420322805, 840645610, 1681291220]

約数ペア:

[(1, 1681291220), (2, 840645610), (4, 420322805), (5, 336258244), (7, 240184460), (10, 168129122), (14, 120092230), (20, 84064561), (28, 60046115), (35, 48036892), (70, 24018446), (140, 12009223)]