977778950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{2377}}^1$

素因数の和:2841

約数の個数: 48

約数和(自身を含む): 1919616720

約数和(自身を除く): 941837770

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 433, 475, 866, 950, 2165, 2377, 4330, 4754, 8227, 10825, 11885, 16454, 21650, 23770, 41135, 45163, 59425, 82270, 90326, 118850, 205675, 225815, 411350, 451630, 1029241, 1129075, 2058482, 2258150, 5146205, 10292410, 19555579, 25731025, 39111158, 51462050, 97777895, 195555790, 488889475, 977778950]

約数ペア:

[(1, 977778950), (2, 488889475), (5, 195555790), (10, 97777895), (19, 51462050), (25, 39111158), (38, 25731025), (50, 19555579), (95, 10292410), (190, 5146205), (433, 2258150), (475, 2058482), (866, 1129075), (950, 1029241), (2165, 451630), (2377, 411350), (4330, 225815), (4754, 205675), (8227, 118850), (10825, 90326), (11885, 82270), (16454, 59425), (21650, 45163), (23770, 41135)]