245286860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:775

約数の個数: 96

約数和(自身を含む): 637486080

約数和(自身を除く): 392199220

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 307, 364, 439, 455, 614, 878, 910, 1228, 1535, 1756, 1820, 2149, 2195, 3070, 3073, 3991, 4298, 4390, 5707, 6140, 6146, 7982, 8596, 8780, 10745, 11414, 12292, 15365, 15964, 19955, 21490, 22828, 27937, 28535, 30730, 39910, 39949, 42980, 55874, 57070, 61460, 79820, 79898, 111748, 114140, 134773, 139685, 159796, 199745, 269546, 279370, 399490, 539092, 558740, 673865, 798980, 943411, 1347730, 1752049, 1886822, 2695460, 3504098, 3773644, 4717055, 7008196, 8760245, 9434110, 12264343, 17520490, 18868220, 24528686, 35040980, 49057372, 61321715, 122643430, 245286860]

約数ペア:

[(1, 245286860), (2, 122643430), (4, 61321715), (5, 49057372), (7, 35040980), (10, 24528686), (13, 18868220), (14, 17520490), (20, 12264343), (26, 9434110), (28, 8760245), (35, 7008196), (52, 4717055), (65, 3773644), (70, 3504098), (91, 2695460), (130, 1886822), (140, 1752049), (182, 1347730), (260, 943411), (307, 798980), (364, 673865), (439, 558740), (455, 539092), (614, 399490), (878, 279370), (910, 269546), (1228, 199745), (1535, 159796), (1756, 139685), (1820, 134773), (2149, 114140), (2195, 111748), (3070, 79898), (3073, 79820), (3991, 61460), (4298, 57070), (4390, 55874), (5707, 42980), (6140, 39949), (6146, 39910), (7982, 30730), (8596, 28535), (8780, 27937), (10745, 22828), (11414, 21490), (12292, 19955), (15365, 15964)]