254206925

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 379475712

約数和(自身を除く): 125268787

約数列:

[1, 5, 7, 23, 25, 35, 115, 137, 161, 175, 461, 575, 685, 805, 959, 2305, 3151, 3227, 3425, 4025, 4795, 10603, 11525, 15755, 16135, 22057, 23975, 53015, 63157, 74221, 78775, 80675, 110285, 265075, 315785, 371105, 442099, 551425, 1452611, 1578925, 1855525, 2210495, 7263055, 10168277, 11052475, 36315275, 50841385, 254206925]

約数ペア:

[(1, 254206925), (5, 50841385), (7, 36315275), (23, 11052475), (25, 10168277), (35, 7263055), (115, 2210495), (137, 1855525), (161, 1578925), (175, 1452611), (461, 551425), (575, 442099), (685, 371105), (805, 315785), (959, 265075), (2305, 110285), (3151, 80675), (3227, 78775), (3425, 74221), (4025, 63157), (4795, 53015), (10603, 23975), (11525, 22057), (15755, 16135)]