249893375

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 325233792

約数和(自身を除く): 75340417

約数列:

[1, 5, 25, 37, 71, 125, 185, 355, 761, 925, 1775, 2627, 3805, 4625, 8875, 13135, 19025, 28157, 54031, 65675, 95125, 140785, 270155, 328375, 703925, 1350775, 1999147, 3519625, 6753875, 9995735, 49978675, 249893375]

約数ペア:

[(1, 249893375), (5, 49978675), (25, 9995735), (37, 6753875), (71, 3519625), (125, 1999147), (185, 1350775), (355, 703925), (761, 328375), (925, 270155), (1775, 140785), (2627, 95125), (3805, 65675), (4625, 54031), (8875, 28157), (13135, 19025)]