21998950400

素因数分解:

$2^{11}\times 5^2\times 7^1\times {\mathrm{61381}}^1$

素因数の和:61420

約数の個数: 144

約数和(自身を含む): 62337103920

約数和(自身を除く): 40338153520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 512, 560, 640, 700, 800, 896, 1024, 1120, 1280, 1400, 1600, 1792, 2048, 2240, 2560, 2800, 3200, 3584, 4480, 5120, 5600, 6400, 7168, 8960, 10240, 11200, 12800, 14336, 17920, 22400, 25600, 35840, 44800, 51200, 61381, 71680, 89600, 122762, 179200, 245524, 306905, 358400, 429667, 491048, 613810, 859334, 982096, 1227620, 1534525, 1718668, 1964192, 2148335, 2455240, 3069050, 3437336, 3928384, 4296670, 4910480, 6138100, 6874672, 7856768, 8593340, 9820960, 10741675, 12276200, 13749344, 15713536, 17186680, 19641920, 21483350, 24552400, 27498688, 31427072, 34373360, 39283840, 42966700, 49104800, 54997376, 62854144, 68746720, 78567680, 85933400, 98209600, 109994752, 125708288, 137493440, 157135360, 171866800, 196419200, 219989504, 274986880, 314270720, 343733600, 392838400, 439979008, 549973760, 628541440, 687467200, 785676800, 879958016, 1099947520, 1374934400, 1571353600, 2199895040, 2749868800, 3142707200, 4399790080, 5499737600, 10999475200, 21998950400]

約数ペア:

[(1, 21998950400), (2, 10999475200), (4, 5499737600), (5, 4399790080), (7, 3142707200), (8, 2749868800), (10, 2199895040), (14, 1571353600), (16, 1374934400), (20, 1099947520), (25, 879958016), (28, 785676800), (32, 687467200), (35, 628541440), (40, 549973760), (50, 439979008), (56, 392838400), (64, 343733600), (70, 314270720), (80, 274986880), (100, 219989504), (112, 196419200), (128, 171866800), (140, 157135360), (160, 137493440), (175, 125708288), (200, 109994752), (224, 98209600), (256, 85933400), (280, 78567680), (320, 68746720), (350, 62854144), (400, 54997376), (448, 49104800), (512, 42966700), (560, 39283840), (640, 34373360), (700, 31427072), (800, 27498688), (896, 24552400), (1024, 21483350), (1120, 19641920), (1280, 17186680), (1400, 15713536), (1600, 13749344), (1792, 12276200), (2048, 10741675), (2240, 9820960), (2560, 8593340), (2800, 7856768), (3200, 6874672), (3584, 6138100), (4480, 4910480), (5120, 4296670), (5600, 3928384), (6400, 3437336), (7168, 3069050), (8960, 2455240), (10240, 2148335), (11200, 1964192), (12800, 1718668), (14336, 1534525), (17920, 1227620), (22400, 982096), (25600, 859334), (35840, 613810), (44800, 491048), (51200, 429667), (61381, 358400), (71680, 306905), (89600, 245524), (122762, 179200)]