206545790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{809}}^1$

素因数の和:1049

約数の個数: 48

約数和(自身を含む): 411097680

約数和(自身を除く): 204551890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 211, 242, 422, 605, 809, 1055, 1210, 1618, 2110, 2321, 4045, 4642, 8090, 8899, 11605, 17798, 23210, 25531, 44495, 51062, 88990, 97889, 127655, 170699, 195778, 255310, 341398, 489445, 853495, 978890, 1706990, 1877689, 3755378, 9388445, 18776890, 20654579, 41309158, 103272895, 206545790]

約数ペア:

[(1, 206545790), (2, 103272895), (5, 41309158), (10, 20654579), (11, 18776890), (22, 9388445), (55, 3755378), (110, 1877689), (121, 1706990), (211, 978890), (242, 853495), (422, 489445), (605, 341398), (809, 255310), (1055, 195778), (1210, 170699), (1618, 127655), (2110, 97889), (2321, 88990), (4045, 51062), (4642, 44495), (8090, 25531), (8899, 23210), (11605, 17798)]