3869571875

素因数分解:

$5^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 5558269248

約数和(自身を除く): 1688697373

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 169, 221, 325, 425, 431, 625, 845, 1105, 1625, 2125, 2155, 2873, 3125, 4225, 5525, 5603, 7327, 8125, 10625, 10775, 14365, 21125, 27625, 28015, 36635, 40625, 53125, 53875, 71825, 72839, 95251, 105625, 138125, 140075, 183175, 269375, 359125, 364195, 476255, 528125, 690625, 700375, 915875, 1238263, 1346875, 1795625, 1820975, 2381275, 3501875, 4579375, 6191315, 8978125, 9104875, 11906375, 17509375, 22896875, 30956575, 45524375, 59531875, 154782875, 227621875, 297659375, 773914375, 3869571875]

約数ペア:

[(1, 3869571875), (5, 773914375), (13, 297659375), (17, 227621875), (25, 154782875), (65, 59531875), (85, 45524375), (125, 30956575), (169, 22896875), (221, 17509375), (325, 11906375), (425, 9104875), (431, 8978125), (625, 6191315), (845, 4579375), (1105, 3501875), (1625, 2381275), (2125, 1820975), (2155, 1795625), (2873, 1346875), (3125, 1238263), (4225, 915875), (5525, 700375), (5603, 690625), (7327, 528125), (8125, 476255), (10625, 364195), (10775, 359125), (14365, 269375), (21125, 183175), (27625, 140075), (28015, 138125), (36635, 105625), (40625, 95251), (53125, 72839), (53875, 71825)]