2550625

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:91

約数の個数: 40

約数和(自身を含む): 4048704

約数和(自身を除く): 1498079

約数列:

[1, 5, 7, 11, 25, 35, 53, 55, 77, 125, 175, 265, 275, 371, 385, 583, 625, 875, 1325, 1375, 1855, 1925, 2915, 4081, 4375, 6625, 6875, 9275, 9625, 14575, 20405, 33125, 46375, 48125, 72875, 102025, 231875, 364375, 510125, 2550625]

約数ペア:

[(1, 2550625), (5, 510125), (7, 364375), (11, 231875), (25, 102025), (35, 72875), (53, 48125), (55, 46375), (77, 33125), (125, 20405), (175, 14575), (265, 9625), (275, 9275), (371, 6875), (385, 6625), (583, 4375), (625, 4081), (875, 2915), (1325, 1925), (1375, 1855)]