688235860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1097}}^1$

素因数の和:1265

約数の個数: 96

約数和(自身を含む): 1652797440

約数和(自身を除く): 964561580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 127, 130, 190, 247, 254, 260, 380, 494, 508, 635, 988, 1097, 1235, 1270, 1651, 2194, 2413, 2470, 2540, 3302, 4388, 4826, 4940, 5485, 6604, 8255, 9652, 10970, 12065, 14261, 16510, 20843, 21940, 24130, 28522, 31369, 33020, 41686, 48260, 57044, 62738, 71305, 83372, 104215, 125476, 139319, 142610, 156845, 208430, 270959, 278638, 285220, 313690, 416860, 541918, 557276, 627380, 696595, 1083836, 1354795, 1393190, 1811147, 2647061, 2709590, 2786380, 3622294, 5294122, 5419180, 7244588, 9055735, 10588244, 13235305, 18111470, 26470610, 34411793, 36222940, 52941220, 68823586, 137647172, 172058965, 344117930, 688235860]

約数ペア:

[(1, 688235860), (2, 344117930), (4, 172058965), (5, 137647172), (10, 68823586), (13, 52941220), (19, 36222940), (20, 34411793), (26, 26470610), (38, 18111470), (52, 13235305), (65, 10588244), (76, 9055735), (95, 7244588), (127, 5419180), (130, 5294122), (190, 3622294), (247, 2786380), (254, 2709590), (260, 2647061), (380, 1811147), (494, 1393190), (508, 1354795), (635, 1083836), (988, 696595), (1097, 627380), (1235, 557276), (1270, 541918), (1651, 416860), (2194, 313690), (2413, 285220), (2470, 278638), (2540, 270959), (3302, 208430), (4388, 156845), (4826, 142610), (4940, 139319), (5485, 125476), (6604, 104215), (8255, 83372), (9652, 71305), (10970, 62738), (12065, 57044), (14261, 48260), (16510, 41686), (20843, 33020), (21940, 31369), (24130, 28522)]