894492020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{28111}}^1$

素因数の和:28200

約数の個数: 48

約数和(自身を含む): 1974137088

約数和(自身を除く): 1079645068

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 1591, 3182, 6364, 7955, 15910, 28111, 31820, 56222, 112444, 140555, 281110, 562220, 1040107, 1208773, 2080214, 2417546, 4160428, 4835092, 5200535, 6043865, 10401070, 12087730, 20802140, 24175460, 44724601, 89449202, 178898404, 223623005, 447246010, 894492020]

約数ペア:

[(1, 894492020), (2, 447246010), (4, 223623005), (5, 178898404), (10, 89449202), (20, 44724601), (37, 24175460), (43, 20802140), (74, 12087730), (86, 10401070), (148, 6043865), (172, 5200535), (185, 4835092), (215, 4160428), (370, 2417546), (430, 2080214), (740, 1208773), (860, 1040107), (1591, 562220), (3182, 281110), (6364, 140555), (7955, 112444), (15910, 56222), (28111, 31820)]