215858960

素因数分解:

$2^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{9209}}^1$

素因数の和:9515

約数の個数: 40

約数和(自身を含む): 503639640

約数和(自身を除く): 287780680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 586, 1172, 1465, 2344, 2930, 4688, 5860, 9209, 11720, 18418, 23440, 36836, 46045, 73672, 92090, 147344, 184180, 368360, 736720, 2698237, 5396474, 10792948, 13491185, 21585896, 26982370, 43171792, 53964740, 107929480, 215858960]

約数ペア:

[(1, 215858960), (2, 107929480), (4, 53964740), (5, 43171792), (8, 26982370), (10, 21585896), (16, 13491185), (20, 10792948), (40, 5396474), (80, 2698237), (293, 736720), (586, 368360), (1172, 184180), (1465, 147344), (2344, 92090), (2930, 73672), (4688, 46045), (5860, 36836), (9209, 23440), (11720, 18418)]