71080625

素因数分解:

$5^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1$

素因数の和:256

約数の個数: 60

約数和(自身を含む): 113251248

約数和(自身を除く): 42170623

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 125, 175, 211, 245, 275, 385, 539, 625, 875, 1055, 1225, 1375, 1477, 1925, 2321, 2695, 4375, 5275, 6125, 6875, 7385, 9625, 10339, 11605, 13475, 16247, 26375, 30625, 36925, 48125, 51695, 58025, 67375, 81235, 113729, 131875, 184625, 258475, 290125, 336875, 406175, 568645, 923125, 1292375, 1450625, 2030875, 2843225, 6461875, 10154375, 14216125, 71080625]

約数ペア:

[(1, 71080625), (5, 14216125), (7, 10154375), (11, 6461875), (25, 2843225), (35, 2030875), (49, 1450625), (55, 1292375), (77, 923125), (125, 568645), (175, 406175), (211, 336875), (245, 290125), (275, 258475), (385, 184625), (539, 131875), (625, 113729), (875, 81235), (1055, 67375), (1225, 58025), (1375, 51695), (1477, 48125), (1925, 36925), (2321, 30625), (2695, 26375), (4375, 16247), (5275, 13475), (6125, 11605), (6875, 10339), (7385, 9625)]