138517775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1579}}^1$

素因数の和:1640

約数の個数: 36

約数和(自身を含む): 195430200

約数和(自身を除く): 56912425

約数列:

[1, 5, 11, 25, 29, 55, 121, 145, 275, 319, 605, 725, 1579, 1595, 3025, 3509, 7895, 7975, 17369, 17545, 39475, 45791, 86845, 87725, 191059, 228955, 434225, 503701, 955295, 1144775, 2518505, 4776475, 5540711, 12592525, 27703555, 138517775]

約数ペア:

[(1, 138517775), (5, 27703555), (11, 12592525), (25, 5540711), (29, 4776475), (55, 2518505), (121, 1144775), (145, 955295), (275, 503701), (319, 434225), (605, 228955), (725, 191059), (1579, 87725), (1595, 86845), (3025, 45791), (3509, 39475), (7895, 17545), (7975, 17369)]