220180675

素因数分解:

$5^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 324041760

約数和(自身を除く): 103861085

約数列:

[1, 5, 11, 13, 25, 55, 65, 121, 143, 275, 325, 509, 605, 715, 1331, 1573, 2545, 3025, 3575, 5599, 6617, 6655, 7865, 12725, 17303, 27995, 33085, 33275, 39325, 61589, 72787, 86515, 139975, 165425, 307945, 363935, 432575, 677479, 800657, 1539725, 1819675, 3387395, 4003285, 8807227, 16936975, 20016425, 44036135, 220180675]

約数ペア:

[(1, 220180675), (5, 44036135), (11, 20016425), (13, 16936975), (25, 8807227), (55, 4003285), (65, 3387395), (121, 1819675), (143, 1539725), (275, 800657), (325, 677479), (509, 432575), (605, 363935), (715, 307945), (1331, 165425), (1573, 139975), (2545, 86515), (3025, 72787), (3575, 61589), (5599, 39325), (6617, 33275), (6655, 33085), (7865, 27995), (12725, 17303)]