197957770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1063

約数の個数: 64

約数和(自身を含む): 398908800

約数和(自身を除く): 200951030

約数列:

[1, 2, 5, 10, 19, 29, 37, 38, 58, 74, 95, 145, 185, 190, 290, 370, 551, 703, 971, 1073, 1102, 1406, 1942, 2146, 2755, 3515, 4855, 5365, 5510, 7030, 9710, 10730, 18449, 20387, 28159, 35927, 36898, 40774, 56318, 71854, 92245, 101935, 140795, 179635, 184490, 203870, 281590, 359270, 535021, 682613, 1041883, 1070042, 1365226, 2083766, 2675105, 3413065, 5209415, 5350210, 6826130, 10418830, 19795777, 39591554, 98978885, 197957770]

約数ペア:

[(1, 197957770), (2, 98978885), (5, 39591554), (10, 19795777), (19, 10418830), (29, 6826130), (37, 5350210), (38, 5209415), (58, 3413065), (74, 2675105), (95, 2083766), (145, 1365226), (185, 1070042), (190, 1041883), (290, 682613), (370, 535021), (551, 359270), (703, 281590), (971, 203870), (1073, 184490), (1102, 179635), (1406, 140795), (1942, 101935), (2146, 92245), (2755, 71854), (3515, 56318), (4855, 40774), (5365, 36898), (5510, 35927), (7030, 28159), (9710, 20387), (10730, 18449)]