1965740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 4972800

約数和(自身を除く): 3007060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 739, 1330, 1478, 2660, 2956, 3695, 5173, 7390, 10346, 14041, 14780, 20692, 25865, 28082, 51730, 56164, 70205, 98287, 103460, 140410, 196574, 280820, 393148, 491435, 982870, 1965740]

約数ペア:

[(1, 1965740), (2, 982870), (4, 491435), (5, 393148), (7, 280820), (10, 196574), (14, 140410), (19, 103460), (20, 98287), (28, 70205), (35, 56164), (38, 51730), (70, 28082), (76, 25865), (95, 20692), (133, 14780), (140, 14041), (190, 10346), (266, 7390), (380, 5173), (532, 3695), (665, 2956), (739, 2660), (1330, 1478)]