74408125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 40

約数和(自身を含む): 103466880

約数和(自身を除く): 29058755

約数列:

[1, 5, 11, 25, 55, 79, 125, 137, 275, 395, 625, 685, 869, 1375, 1507, 1975, 3425, 4345, 6875, 7535, 9875, 10823, 17125, 21725, 37675, 49375, 54115, 85625, 108625, 119053, 188375, 270575, 543125, 595265, 941875, 1352875, 2976325, 6764375, 14881625, 74408125]

約数ペア:

[(1, 74408125), (5, 14881625), (11, 6764375), (25, 2976325), (55, 1352875), (79, 941875), (125, 595265), (137, 543125), (275, 270575), (395, 188375), (625, 119053), (685, 108625), (869, 85625), (1375, 54115), (1507, 49375), (1975, 37675), (3425, 21725), (4345, 17125), (6875, 10823), (7535, 9875)]