2280498620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1\times {\mathrm{3671}}^1$

素因数の和:4118

約数の個数: 48

約数和(自身を含む): 4858056000

約数和(自身を除く): 2577557380

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 349, 356, 445, 698, 890, 1396, 1745, 1780, 3490, 3671, 6980, 7342, 14684, 18355, 31061, 36710, 62122, 73420, 124244, 155305, 310610, 326719, 621220, 653438, 1281179, 1306876, 1633595, 2562358, 3267190, 5124716, 6405895, 6534380, 12811790, 25623580, 114024931, 228049862, 456099724, 570124655, 1140249310, 2280498620]

約数ペア:

[(1, 2280498620), (2, 1140249310), (4, 570124655), (5, 456099724), (10, 228049862), (20, 114024931), (89, 25623580), (178, 12811790), (349, 6534380), (356, 6405895), (445, 5124716), (698, 3267190), (890, 2562358), (1396, 1633595), (1745, 1306876), (1780, 1281179), (3490, 653438), (3671, 621220), (6980, 326719), (7342, 310610), (14684, 155305), (18355, 124244), (31061, 73420), (36710, 62122)]