1868125

素因数分解:

$5^4\times 7^2\times {\mathrm{61}}^1$

素因数の和:95

約数の個数: 30

約数和(自身を含む): 2760054

約数和(自身を除く): 891929

約数列:

[1, 5, 7, 25, 35, 49, 61, 125, 175, 245, 305, 427, 625, 875, 1225, 1525, 2135, 2989, 4375, 6125, 7625, 10675, 14945, 30625, 38125, 53375, 74725, 266875, 373625, 1868125]

約数ペア:

[(1, 1868125), (5, 373625), (7, 266875), (25, 74725), (35, 53375), (49, 38125), (61, 30625), (125, 14945), (175, 10675), (245, 7625), (305, 6125), (427, 4375), (625, 2989), (875, 2135), (1225, 1525)]