55280225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 94035648

約数和(自身を除く): 38755423

約数列:

[1, 5, 7, 11, 13, 25, 35, 47, 55, 65, 77, 91, 143, 175, 235, 275, 325, 329, 385, 455, 517, 611, 715, 1001, 1175, 1645, 1925, 2209, 2275, 2585, 3055, 3575, 3619, 4277, 5005, 6721, 8225, 11045, 12925, 15275, 15463, 18095, 21385, 24299, 25025, 28717, 33605, 47047, 55225, 77315, 90475, 106925, 121495, 143585, 168025, 170093, 201019, 235235, 315887, 386575, 607475, 717925, 850465, 1005095, 1176175, 1579435, 2211209, 4252325, 5025475, 7897175, 11056045, 55280225]

約数ペア:

[(1, 55280225), (5, 11056045), (7, 7897175), (11, 5025475), (13, 4252325), (25, 2211209), (35, 1579435), (47, 1176175), (55, 1005095), (65, 850465), (77, 717925), (91, 607475), (143, 386575), (175, 315887), (235, 235235), (275, 201019), (325, 170093), (329, 168025), (385, 143585), (455, 121495), (517, 106925), (611, 90475), (715, 77315), (1001, 55225), (1175, 47047), (1645, 33605), (1925, 28717), (2209, 25025), (2275, 24299), (2585, 21385), (3055, 18095), (3575, 15463), (3619, 15275), (4277, 12925), (5005, 11045), (6721, 8225)]