398818800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{797}}^1$

素因数の和:960

約数の個数: 180

約数和(自身を含む): 1395717960

約数和(自身を除く): 996899160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 139, 144, 150, 180, 200, 225, 240, 278, 300, 360, 400, 417, 450, 556, 600, 695, 720, 797, 834, 900, 1112, 1200, 1251, 1390, 1594, 1668, 1800, 2085, 2224, 2391, 2502, 2780, 3188, 3336, 3475, 3600, 3985, 4170, 4782, 5004, 5560, 6255, 6376, 6672, 6950, 7173, 7970, 8340, 9564, 10008, 10425, 11120, 11955, 12510, 12752, 13900, 14346, 15940, 16680, 19128, 19925, 20016, 20850, 23910, 25020, 27800, 28692, 31275, 31880, 33360, 35865, 38256, 39850, 41700, 47820, 50040, 55600, 57384, 59775, 62550, 63760, 71730, 79700, 83400, 95640, 100080, 110783, 114768, 119550, 125100, 143460, 159400, 166800, 179325, 191280, 221566, 239100, 250200, 286920, 318800, 332349, 358650, 443132, 478200, 500400, 553915, 573840, 664698, 717300, 886264, 956400, 997047, 1107830, 1329396, 1434600, 1661745, 1772528, 1994094, 2215660, 2658792, 2769575, 2869200, 3323490, 3988188, 4431320, 4985235, 5317584, 5539150, 6646980, 7976376, 8308725, 8862640, 9970470, 11078300, 13293960, 15952752, 16617450, 19940940, 22156600, 24926175, 26587920, 33234900, 39881880, 44313200, 49852350, 66469800, 79763760, 99704700, 132939600, 199409400, 398818800]

約数ペア:

[(1, 398818800), (2, 199409400), (3, 132939600), (4, 99704700), (5, 79763760), (6, 66469800), (8, 49852350), (9, 44313200), (10, 39881880), (12, 33234900), (15, 26587920), (16, 24926175), (18, 22156600), (20, 19940940), (24, 16617450), (25, 15952752), (30, 13293960), (36, 11078300), (40, 9970470), (45, 8862640), (48, 8308725), (50, 7976376), (60, 6646980), (72, 5539150), (75, 5317584), (80, 4985235), (90, 4431320), (100, 3988188), (120, 3323490), (139, 2869200), (144, 2769575), (150, 2658792), (180, 2215660), (200, 1994094), (225, 1772528), (240, 1661745), (278, 1434600), (300, 1329396), (360, 1107830), (400, 997047), (417, 956400), (450, 886264), (556, 717300), (600, 664698), (695, 573840), (720, 553915), (797, 500400), (834, 478200), (900, 443132), (1112, 358650), (1200, 332349), (1251, 318800), (1390, 286920), (1594, 250200), (1668, 239100), (1800, 221566), (2085, 191280), (2224, 179325), (2391, 166800), (2502, 159400), (2780, 143460), (3188, 125100), (3336, 119550), (3475, 114768), (3600, 110783), (3985, 100080), (4170, 95640), (4782, 83400), (5004, 79700), (5560, 71730), (6255, 63760), (6376, 62550), (6672, 59775), (6950, 57384), (7173, 55600), (7970, 50040), (8340, 47820), (9564, 41700), (10008, 39850), (10425, 38256), (11120, 35865), (11955, 33360), (12510, 31880), (12752, 31275), (13900, 28692), (14346, 27800), (15940, 25020), (16680, 23910), (19128, 20850), (19925, 20016)]