198863840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{641}}^1$

素因数の和:940

約数の個数: 96

約数和(自身を含む): 539711424

約数和(自身を除く): 340847584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 277, 280, 554, 560, 641, 1108, 1120, 1282, 1385, 1939, 2216, 2564, 2770, 3205, 3878, 4432, 4487, 5128, 5540, 6410, 7756, 8864, 8974, 9695, 10256, 11080, 12820, 15512, 17948, 19390, 20512, 22160, 22435, 25640, 31024, 35896, 38780, 44320, 44870, 51280, 62048, 71792, 77560, 89740, 102560, 143584, 155120, 177557, 179480, 310240, 355114, 358960, 710228, 717920, 887785, 1242899, 1420456, 1775570, 2485798, 2840912, 3551140, 4971596, 5681824, 6214495, 7102280, 9943192, 12428990, 14204560, 19886384, 24857980, 28409120, 39772768, 49715960, 99431920, 198863840]

約数ペア:

[(1, 198863840), (2, 99431920), (4, 49715960), (5, 39772768), (7, 28409120), (8, 24857980), (10, 19886384), (14, 14204560), (16, 12428990), (20, 9943192), (28, 7102280), (32, 6214495), (35, 5681824), (40, 4971596), (56, 3551140), (70, 2840912), (80, 2485798), (112, 1775570), (140, 1420456), (160, 1242899), (224, 887785), (277, 717920), (280, 710228), (554, 358960), (560, 355114), (641, 310240), (1108, 179480), (1120, 177557), (1282, 155120), (1385, 143584), (1939, 102560), (2216, 89740), (2564, 77560), (2770, 71792), (3205, 62048), (3878, 51280), (4432, 44870), (4487, 44320), (5128, 38780), (5540, 35896), (6410, 31024), (7756, 25640), (8864, 22435), (8974, 22160), (9695, 20512), (10256, 19390), (11080, 17948), (12820, 15512)]