47155640

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{491}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 124028280

約数和(自身を除く): 76872640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 491, 686, 980, 982, 1372, 1715, 1960, 1964, 2401, 2455, 2744, 3430, 3437, 3928, 4802, 4910, 6860, 6874, 9604, 9820, 12005, 13720, 13748, 17185, 19208, 19640, 24010, 24059, 27496, 34370, 48020, 48118, 68740, 96040, 96236, 120295, 137480, 168413, 192472, 240590, 336826, 481180, 673652, 842065, 962360, 1178891, 1347304, 1684130, 2357782, 3368260, 4715564, 5894455, 6736520, 9431128, 11788910, 23577820, 47155640]

約数ペア:

[(1, 47155640), (2, 23577820), (4, 11788910), (5, 9431128), (7, 6736520), (8, 5894455), (10, 4715564), (14, 3368260), (20, 2357782), (28, 1684130), (35, 1347304), (40, 1178891), (49, 962360), (56, 842065), (70, 673652), (98, 481180), (140, 336826), (196, 240590), (245, 192472), (280, 168413), (343, 137480), (392, 120295), (490, 96236), (491, 96040), (686, 68740), (980, 48118), (982, 48020), (1372, 34370), (1715, 27496), (1960, 24059), (1964, 24010), (2401, 19640), (2455, 19208), (2744, 17185), (3430, 13748), (3437, 13720), (3928, 12005), (4802, 9820), (4910, 9604), (6860, 6874)]