676780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 1622880

約数和(自身を除く): 946100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 137, 190, 247, 260, 274, 380, 494, 548, 685, 988, 1235, 1370, 1781, 2470, 2603, 2740, 3562, 4940, 5206, 7124, 8905, 10412, 13015, 17810, 26030, 33839, 35620, 52060, 67678, 135356, 169195, 338390, 676780]

約数ペア:

[(1, 676780), (2, 338390), (4, 169195), (5, 135356), (10, 67678), (13, 52060), (19, 35620), (20, 33839), (26, 26030), (38, 17810), (52, 13015), (65, 10412), (76, 8905), (95, 7124), (130, 5206), (137, 4940), (190, 3562), (247, 2740), (260, 2603), (274, 2470), (380, 1781), (494, 1370), (548, 1235), (685, 988)]