1282499810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{143617}}^1$

素因数の和:143690

約数の個数: 32

約数和(自身を含む): 2481719040

約数和(自身を除く): 1199219230

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 4465, 8930, 143617, 287234, 718085, 1436170, 2728723, 5457446, 6749999, 13499998, 13643615, 27287230, 33749995, 67499990, 128249981, 256499962, 641249905, 1282499810]

約数ペア:

[(1, 1282499810), (2, 641249905), (5, 256499962), (10, 128249981), (19, 67499990), (38, 33749995), (47, 27287230), (94, 13643615), (95, 13499998), (190, 6749999), (235, 5457446), (470, 2728723), (893, 1436170), (1786, 718085), (4465, 287234), (8930, 143617)]