211571840

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:302

約数の個数: 128

約数和(自身を含む): 540518400

約数和(自身を除く): 328946560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 127, 128, 137, 152, 160, 190, 254, 274, 304, 320, 380, 508, 548, 608, 635, 640, 685, 760, 1016, 1096, 1216, 1270, 1370, 1520, 2032, 2192, 2413, 2432, 2540, 2603, 2740, 3040, 4064, 4384, 4826, 5080, 5206, 5480, 6080, 8128, 8768, 9652, 10160, 10412, 10960, 12065, 12160, 13015, 16256, 17399, 17536, 19304, 20320, 20824, 21920, 24130, 26030, 34798, 38608, 40640, 41648, 43840, 48260, 52060, 69596, 77216, 81280, 83296, 86995, 87680, 96520, 104120, 139192, 154432, 166592, 173990, 193040, 208240, 278384, 308864, 330581, 333184, 347980, 386080, 416480, 556768, 661162, 695960, 772160, 832960, 1113536, 1322324, 1391920, 1544320, 1652905, 1665920, 2227072, 2644648, 2783840, 3305810, 5289296, 5567680, 6611620, 10578592, 11135360, 13223240, 21157184, 26446480, 42314368, 52892960, 105785920, 211571840]

約数ペア:

[(1, 211571840), (2, 105785920), (4, 52892960), (5, 42314368), (8, 26446480), (10, 21157184), (16, 13223240), (19, 11135360), (20, 10578592), (32, 6611620), (38, 5567680), (40, 5289296), (64, 3305810), (76, 2783840), (80, 2644648), (95, 2227072), (127, 1665920), (128, 1652905), (137, 1544320), (152, 1391920), (160, 1322324), (190, 1113536), (254, 832960), (274, 772160), (304, 695960), (320, 661162), (380, 556768), (508, 416480), (548, 386080), (608, 347980), (635, 333184), (640, 330581), (685, 308864), (760, 278384), (1016, 208240), (1096, 193040), (1216, 173990), (1270, 166592), (1370, 154432), (1520, 139192), (2032, 104120), (2192, 96520), (2413, 87680), (2432, 86995), (2540, 83296), (2603, 81280), (2740, 77216), (3040, 69596), (4064, 52060), (4384, 48260), (4826, 43840), (5080, 41648), (5206, 40640), (5480, 38608), (6080, 34798), (8128, 26030), (8768, 24130), (9652, 21920), (10160, 20824), (10412, 20320), (10960, 19304), (12065, 17536), (12160, 17399), (13015, 16256)]