29979460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1087}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 72382464

約数和(自身を除く): 42403004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1087, 1379, 1970, 2174, 2758, 3940, 4348, 5435, 5516, 6895, 7609, 10870, 13790, 15218, 21740, 27580, 30436, 38045, 76090, 152180, 214139, 428278, 856556, 1070695, 1498973, 2141390, 2997946, 4282780, 5995892, 7494865, 14989730, 29979460]

約数ペア:

[(1, 29979460), (2, 14989730), (4, 7494865), (5, 5995892), (7, 4282780), (10, 2997946), (14, 2141390), (20, 1498973), (28, 1070695), (35, 856556), (70, 428278), (140, 214139), (197, 152180), (394, 76090), (788, 38045), (985, 30436), (1087, 27580), (1379, 21740), (1970, 15218), (2174, 13790), (2758, 10870), (3940, 7609), (4348, 6895), (5435, 5516)]