320419325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 441638400

約数和(自身を除く): 121219075

約数列:

[1, 5, 19, 23, 25, 95, 115, 139, 211, 437, 475, 575, 695, 1055, 2185, 2641, 3197, 3475, 4009, 4853, 5275, 10925, 13205, 15985, 20045, 24265, 29329, 60743, 66025, 79925, 92207, 100225, 121325, 146645, 303715, 461035, 557251, 674567, 733225, 1518575, 2305175, 2786255, 3372835, 12816773, 13931275, 16864175, 64083865, 320419325]

約数ペア:

[(1, 320419325), (5, 64083865), (19, 16864175), (23, 13931275), (25, 12816773), (95, 3372835), (115, 2786255), (139, 2305175), (211, 1518575), (437, 733225), (475, 674567), (575, 557251), (695, 461035), (1055, 303715), (2185, 146645), (2641, 121325), (3197, 100225), (3475, 92207), (4009, 79925), (4853, 66025), (5275, 60743), (10925, 29329), (13205, 24265), (15985, 20045)]