889314050

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{8081}}^1$

素因数の和:8195

約数の個数: 48

約数和(自身を含む): 1731746304

約数和(自身を除く): 842432254

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 71, 142, 155, 310, 355, 710, 775, 1550, 1775, 2201, 3550, 4402, 8081, 11005, 16162, 22010, 40405, 55025, 80810, 110050, 202025, 250511, 404050, 501022, 573751, 1147502, 1252555, 2505110, 2868755, 5737510, 6262775, 12525550, 14343775, 17786281, 28687550, 35572562, 88931405, 177862810, 444657025, 889314050]

約数ペア:

[(1, 889314050), (2, 444657025), (5, 177862810), (10, 88931405), (25, 35572562), (31, 28687550), (50, 17786281), (62, 14343775), (71, 12525550), (142, 6262775), (155, 5737510), (310, 2868755), (355, 2505110), (710, 1252555), (775, 1147502), (1550, 573751), (1775, 501022), (2201, 404050), (3550, 250511), (4402, 202025), (8081, 110050), (11005, 80810), (16162, 55025), (22010, 40405)]