74980275

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 128563200

約数和(自身を除く): 53582925

約数列:

[1, 3, 5, 15, 25, 47, 75, 89, 141, 235, 239, 267, 445, 705, 717, 1175, 1195, 1335, 2225, 3525, 3585, 4183, 5975, 6675, 11233, 12549, 17925, 20915, 21271, 33699, 56165, 62745, 63813, 104575, 106355, 168495, 280825, 313725, 319065, 531775, 842475, 999737, 1595325, 2999211, 4998685, 14996055, 24993425, 74980275]

約数ペア:

[(1, 74980275), (3, 24993425), (5, 14996055), (15, 4998685), (25, 2999211), (47, 1595325), (75, 999737), (89, 842475), (141, 531775), (235, 319065), (239, 313725), (267, 280825), (445, 168495), (705, 106355), (717, 104575), (1175, 63813), (1195, 62745), (1335, 56165), (2225, 33699), (3525, 21271), (3585, 20915), (4183, 17925), (5975, 12549), (6675, 11233)]