199942035

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 351267840

約数和(自身を除く): 151325805

約数列:

[1, 3, 5, 15, 19, 41, 57, 71, 95, 123, 205, 213, 241, 285, 355, 615, 723, 779, 1065, 1205, 1349, 2337, 2911, 3615, 3895, 4047, 4579, 6745, 8733, 9881, 11685, 13737, 14555, 17111, 20235, 22895, 29643, 43665, 49405, 51333, 55309, 68685, 85555, 148215, 165927, 187739, 256665, 276545, 325109, 563217, 701551, 829635, 938695, 975327, 1625545, 2104653, 2816085, 3507755, 4876635, 10523265, 13329469, 39988407, 66647345, 199942035]

約数ペア:

[(1, 199942035), (3, 66647345), (5, 39988407), (15, 13329469), (19, 10523265), (41, 4876635), (57, 3507755), (71, 2816085), (95, 2104653), (123, 1625545), (205, 975327), (213, 938695), (241, 829635), (285, 701551), (355, 563217), (615, 325109), (723, 276545), (779, 256665), (1065, 187739), (1205, 165927), (1349, 148215), (2337, 85555), (2911, 68685), (3615, 55309), (3895, 51333), (4047, 49405), (4579, 43665), (6745, 29643), (8733, 22895), (9881, 20235), (11685, 17111), (13737, 14555)]