77303620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 165881520

約数和(自身を除く): 88577900

約数列:

[1, 2, 4, 5, 10, 20, 89, 137, 178, 274, 317, 356, 445, 548, 634, 685, 890, 1268, 1370, 1585, 1780, 2740, 3170, 6340, 12193, 24386, 28213, 43429, 48772, 56426, 60965, 86858, 112852, 121930, 141065, 173716, 217145, 243860, 282130, 434290, 564260, 868580, 3865181, 7730362, 15460724, 19325905, 38651810, 77303620]

約数ペア:

[(1, 77303620), (2, 38651810), (4, 19325905), (5, 15460724), (10, 7730362), (20, 3865181), (89, 868580), (137, 564260), (178, 434290), (274, 282130), (317, 243860), (356, 217145), (445, 173716), (548, 141065), (634, 121930), (685, 112852), (890, 86858), (1268, 60965), (1370, 56426), (1585, 48772), (1780, 43429), (2740, 28213), (3170, 24386), (6340, 12193)]