7788854540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1\times {\mathrm{13789}}^1$

素因数の和:14322

約数の個数: 48

約数和(自身を含む): 16661850240

約数和(自身を除く): 8872995700

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 463, 610, 926, 1220, 1852, 2315, 4630, 9260, 13789, 27578, 28243, 55156, 56486, 68945, 112972, 137890, 141215, 275780, 282430, 564860, 841129, 1682258, 3364516, 4205645, 6384307, 8411290, 12768614, 16822580, 25537228, 31921535, 63843070, 127686140, 389442727, 778885454, 1557770908, 1947213635, 3894427270, 7788854540]

約数ペア:

[(1, 7788854540), (2, 3894427270), (4, 1947213635), (5, 1557770908), (10, 778885454), (20, 389442727), (61, 127686140), (122, 63843070), (244, 31921535), (305, 25537228), (463, 16822580), (610, 12768614), (926, 8411290), (1220, 6384307), (1852, 4205645), (2315, 3364516), (4630, 1682258), (9260, 841129), (13789, 564860), (27578, 282430), (28243, 275780), (55156, 141215), (56486, 137890), (68945, 112972)]