2788897950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{199921}}^1$

素因数の和:199970

約数の個数: 72

約数和(自身を含む): 7734582336

約数和(自身を除く): 4945684386

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 150, 155, 186, 225, 279, 310, 450, 465, 558, 775, 930, 1395, 1550, 2325, 2790, 4650, 6975, 13950, 199921, 399842, 599763, 999605, 1199526, 1799289, 1999210, 2998815, 3598578, 4998025, 5997630, 6197551, 8996445, 9996050, 12395102, 14994075, 17992890, 18592653, 29988150, 30987755, 37185306, 44982225, 55777959, 61975510, 89964450, 92963265, 111555918, 154938775, 185926530, 278889795, 309877550, 464816325, 557779590, 929632650, 1394448975, 2788897950]

約数ペア:

[(1, 2788897950), (2, 1394448975), (3, 929632650), (5, 557779590), (6, 464816325), (9, 309877550), (10, 278889795), (15, 185926530), (18, 154938775), (25, 111555918), (30, 92963265), (31, 89964450), (45, 61975510), (50, 55777959), (62, 44982225), (75, 37185306), (90, 30987755), (93, 29988150), (150, 18592653), (155, 17992890), (186, 14994075), (225, 12395102), (279, 9996050), (310, 8996445), (450, 6197551), (465, 5997630), (558, 4998025), (775, 3598578), (930, 2998815), (1395, 1999210), (1550, 1799289), (2325, 1199526), (2790, 999605), (4650, 599763), (6975, 399842), (13950, 199921)]