171958760

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{7013}}^1$

素因数の和:7637

約数の個数: 32

約数和(自身を含む): 387593640

約数和(自身を除く): 215634880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 4904, 6130, 7013, 12260, 14026, 24520, 28052, 35065, 56104, 70130, 140260, 280520, 4298969, 8597938, 17195876, 21494845, 34391752, 42989690, 85979380, 171958760]

約数ペア:

[(1, 171958760), (2, 85979380), (4, 42989690), (5, 34391752), (8, 21494845), (10, 17195876), (20, 8597938), (40, 4298969), (613, 280520), (1226, 140260), (2452, 70130), (3065, 56104), (4904, 35065), (6130, 28052), (7013, 24520), (12260, 14026)]