809480

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{59}}^1$

素因数の和:91

約数の個数: 64

約数和(自身を含む): 2160000

約数和(自身を除く): 1350520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 59, 70, 98, 118, 140, 196, 236, 245, 280, 295, 343, 392, 413, 472, 490, 590, 686, 826, 980, 1180, 1372, 1652, 1715, 1960, 2065, 2360, 2744, 2891, 3304, 3430, 4130, 5782, 6860, 8260, 11564, 13720, 14455, 16520, 20237, 23128, 28910, 40474, 57820, 80948, 101185, 115640, 161896, 202370, 404740, 809480]

約数ペア:

[(1, 809480), (2, 404740), (4, 202370), (5, 161896), (7, 115640), (8, 101185), (10, 80948), (14, 57820), (20, 40474), (28, 28910), (35, 23128), (40, 20237), (49, 16520), (56, 14455), (59, 13720), (70, 11564), (98, 8260), (118, 6860), (140, 5782), (196, 4130), (236, 3430), (245, 3304), (280, 2891), (295, 2744), (343, 2360), (392, 2065), (413, 1960), (472, 1715), (490, 1652), (590, 1372), (686, 1180), (826, 980)]