222789125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1931}}^1$

素因数の和:2030

約数の個数: 32

約数和(自身を含む): 303803136

約数和(自身を除く): 81014011

約数列:

[1, 5, 13, 25, 65, 71, 125, 325, 355, 923, 1625, 1775, 1931, 4615, 8875, 9655, 23075, 25103, 48275, 115375, 125515, 137101, 241375, 627575, 685505, 1782313, 3137875, 3427525, 8911565, 17137625, 44557825, 222789125]

約数ペア:

[(1, 222789125), (5, 44557825), (13, 17137625), (25, 8911565), (65, 3427525), (71, 3137875), (125, 1782313), (325, 685505), (355, 627575), (923, 241375), (1625, 137101), (1775, 125515), (1931, 115375), (4615, 48275), (8875, 25103), (9655, 23075)]