90303125

素因数分解:

$5^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 128241792

約数和(自身を除く): 37938667

約数列:

[1, 5, 11, 25, 37, 55, 71, 125, 185, 275, 355, 407, 625, 781, 925, 1375, 1775, 2035, 2627, 3125, 3905, 4625, 6875, 8875, 10175, 13135, 19525, 23125, 28897, 34375, 44375, 50875, 65675, 97625, 115625, 144485, 221875, 254375, 328375, 488125, 722425, 1271875, 1641875, 2440625, 3612125, 8209375, 18060625, 90303125]

約数ペア:

[(1, 90303125), (5, 18060625), (11, 8209375), (25, 3612125), (37, 2440625), (55, 1641875), (71, 1271875), (125, 722425), (185, 488125), (275, 328375), (355, 254375), (407, 221875), (625, 144485), (781, 115625), (925, 97625), (1375, 65675), (1775, 50875), (2035, 44375), (2627, 34375), (3125, 28897), (3905, 23125), (4625, 19525), (6875, 13135), (8875, 10175)]