2169888920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:993

約数の個数: 128

約数和(自身を含む): 5334336000

約数和(自身を除く): 3164447080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 83, 95, 152, 164, 166, 190, 205, 328, 332, 380, 410, 415, 664, 760, 779, 820, 830, 839, 1558, 1577, 1640, 1660, 1678, 3116, 3154, 3320, 3356, 3403, 3895, 4195, 6232, 6308, 6712, 6806, 7790, 7885, 8390, 12616, 13612, 15580, 15770, 15941, 16780, 17015, 27224, 31160, 31540, 31882, 33560, 34030, 34399, 63080, 63764, 64657, 68060, 68798, 69637, 79705, 127528, 129314, 136120, 137596, 139274, 159410, 171995, 258628, 275192, 278548, 318820, 323285, 343990, 348185, 517256, 557096, 637640, 646570, 653581, 687980, 696370, 1293140, 1307162, 1323103, 1375960, 1392740, 2586280, 2614324, 2646206, 2785480, 2855117, 3267905, 5228648, 5292412, 5710234, 6535810, 6615515, 10584824, 11420468, 13071620, 13231030, 14275585, 22840936, 26143240, 26462060, 28551170, 52924120, 54247223, 57102340, 108494446, 114204680, 216988892, 271236115, 433977784, 542472230, 1084944460, 2169888920]

約数ペア:

[(1, 2169888920), (2, 1084944460), (4, 542472230), (5, 433977784), (8, 271236115), (10, 216988892), (19, 114204680), (20, 108494446), (38, 57102340), (40, 54247223), (41, 52924120), (76, 28551170), (82, 26462060), (83, 26143240), (95, 22840936), (152, 14275585), (164, 13231030), (166, 13071620), (190, 11420468), (205, 10584824), (328, 6615515), (332, 6535810), (380, 5710234), (410, 5292412), (415, 5228648), (664, 3267905), (760, 2855117), (779, 2785480), (820, 2646206), (830, 2614324), (839, 2586280), (1558, 1392740), (1577, 1375960), (1640, 1323103), (1660, 1307162), (1678, 1293140), (3116, 696370), (3154, 687980), (3320, 653581), (3356, 646570), (3403, 637640), (3895, 557096), (4195, 517256), (6232, 348185), (6308, 343990), (6712, 323285), (6806, 318820), (7790, 278548), (7885, 275192), (8390, 258628), (12616, 171995), (13612, 159410), (15580, 139274), (15770, 137596), (15941, 136120), (16780, 129314), (17015, 127528), (27224, 79705), (31160, 69637), (31540, 68798), (31882, 68060), (33560, 64657), (34030, 63764), (34399, 63080)]