8978620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1087}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 21934080

約数和(自身を除く): 12955460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1087, 1180, 1652, 2065, 2174, 4130, 4348, 5435, 7609, 8260, 10870, 15218, 21740, 30436, 38045, 64133, 76090, 128266, 152180, 256532, 320665, 448931, 641330, 897862, 1282660, 1795724, 2244655, 4489310, 8978620]

約数ペア:

[(1, 8978620), (2, 4489310), (4, 2244655), (5, 1795724), (7, 1282660), (10, 897862), (14, 641330), (20, 448931), (28, 320665), (35, 256532), (59, 152180), (70, 128266), (118, 76090), (140, 64133), (236, 38045), (295, 30436), (413, 21740), (590, 15218), (826, 10870), (1087, 8260), (1180, 7609), (1652, 5435), (2065, 4348), (2174, 4130)]