120984875

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 175113120

約数和(自身を除く): 54128245

約数列:

[1, 5, 11, 19, 25, 55, 95, 121, 125, 209, 275, 421, 475, 605, 1045, 1375, 2105, 2299, 2375, 3025, 4631, 5225, 7999, 10525, 11495, 15125, 23155, 26125, 39995, 50941, 52625, 57475, 87989, 115775, 199975, 254705, 287375, 439945, 578875, 967879, 999875, 1273525, 2199725, 4839395, 6367625, 10998625, 24196975, 120984875]

約数ペア:

[(1, 120984875), (5, 24196975), (11, 10998625), (19, 6367625), (25, 4839395), (55, 2199725), (95, 1273525), (121, 999875), (125, 967879), (209, 578875), (275, 439945), (421, 287375), (475, 254705), (605, 199975), (1045, 115775), (1375, 87989), (2105, 57475), (2299, 52625), (2375, 50941), (3025, 39995), (4631, 26125), (5225, 23155), (7999, 15125), (10525, 11495)]