1244940625

素因数分解:

$5^5\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 1637895168

約数和(自身を除く): 392954543

約数列:

[1, 5, 25, 31, 71, 125, 155, 181, 355, 625, 775, 905, 1775, 2201, 3125, 3875, 4525, 5611, 8875, 11005, 12851, 19375, 22625, 28055, 44375, 55025, 64255, 96875, 113125, 140275, 221875, 275125, 321275, 398381, 565625, 701375, 1375625, 1606375, 1991905, 3506875, 6878125, 8031875, 9959525, 17534375, 40159375, 49797625, 248988125, 1244940625]

約数ペア:

[(1, 1244940625), (5, 248988125), (25, 49797625), (31, 40159375), (71, 17534375), (125, 9959525), (155, 8031875), (181, 6878125), (355, 3506875), (625, 1991905), (775, 1606375), (905, 1375625), (1775, 701375), (2201, 565625), (3125, 398381), (3875, 321275), (4525, 275125), (5611, 221875), (8875, 140275), (11005, 113125), (12851, 96875), (19375, 64255), (22625, 55025), (28055, 44375)]