190019375

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 60

約数和(自身を含む): 294993072

約数和(自身を除く): 104973697

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 169, 175, 257, 325, 455, 625, 845, 875, 1183, 1285, 1625, 1799, 2275, 3341, 4225, 4375, 5915, 6425, 8125, 8995, 11375, 16705, 21125, 23387, 29575, 32125, 43433, 44975, 56875, 83525, 105625, 116935, 147875, 160625, 217165, 224875, 304031, 417625, 584675, 739375, 1085825, 1124375, 1520155, 2088125, 2923375, 5429125, 7600775, 14616875, 27145625, 38003875, 190019375]

約数ペア:

[(1, 190019375), (5, 38003875), (7, 27145625), (13, 14616875), (25, 7600775), (35, 5429125), (65, 2923375), (91, 2088125), (125, 1520155), (169, 1124375), (175, 1085825), (257, 739375), (325, 584675), (455, 417625), (625, 304031), (845, 224875), (875, 217165), (1183, 160625), (1285, 147875), (1625, 116935), (1799, 105625), (2275, 83525), (3341, 56875), (4225, 44975), (4375, 43433), (5915, 32125), (6425, 29575), (8125, 23387), (8995, 21125), (11375, 16705)]