389957400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{30949}}^1$

素因数の和:30978

約数の個数: 144

約数和(自身を含む): 1496742000

約数和(自身を除く): 1106784600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1800, 2100, 2520, 3150, 4200, 6300, 12600, 30949, 61898, 92847, 123796, 154745, 185694, 216643, 247592, 278541, 309490, 371388, 433286, 464235, 557082, 618980, 649929, 742776, 773725, 866572, 928470, 1083215, 1114164, 1237960, 1299858, 1392705, 1547450, 1733144, 1856940, 1949787, 2166430, 2228328, 2321175, 2599716, 2785410, 3094900, 3249645, 3713880, 3899574, 4332860, 4642350, 5199432, 5416075, 5570820, 6189800, 6499290, 6963525, 7799148, 8665720, 9284700, 9748935, 10832150, 11141640, 12998580, 13927050, 15598296, 16248225, 18569400, 19497870, 21664300, 25997160, 27854100, 32496450, 38995740, 43328600, 48744675, 55708200, 64992900, 77991480, 97489350, 129985800, 194978700, 389957400]

約数ペア:

[(1, 389957400), (2, 194978700), (3, 129985800), (4, 97489350), (5, 77991480), (6, 64992900), (7, 55708200), (8, 48744675), (9, 43328600), (10, 38995740), (12, 32496450), (14, 27854100), (15, 25997160), (18, 21664300), (20, 19497870), (21, 18569400), (24, 16248225), (25, 15598296), (28, 13927050), (30, 12998580), (35, 11141640), (36, 10832150), (40, 9748935), (42, 9284700), (45, 8665720), (50, 7799148), (56, 6963525), (60, 6499290), (63, 6189800), (70, 5570820), (72, 5416075), (75, 5199432), (84, 4642350), (90, 4332860), (100, 3899574), (105, 3713880), (120, 3249645), (126, 3094900), (140, 2785410), (150, 2599716), (168, 2321175), (175, 2228328), (180, 2166430), (200, 1949787), (210, 1856940), (225, 1733144), (252, 1547450), (280, 1392705), (300, 1299858), (315, 1237960), (350, 1114164), (360, 1083215), (420, 928470), (450, 866572), (504, 773725), (525, 742776), (600, 649929), (630, 618980), (700, 557082), (840, 464235), (900, 433286), (1050, 371388), (1260, 309490), (1400, 278541), (1575, 247592), (1800, 216643), (2100, 185694), (2520, 154745), (3150, 123796), (4200, 92847), (6300, 61898), (12600, 30949)]