2783507260

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1\times {\mathrm{3457}}^1$

素因数の和:3910

約数の個数: 48

約数和(自身を含む): 5911686144

約数和(自身を除く): 3128178884

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 317, 508, 634, 635, 1268, 1270, 1585, 2540, 3170, 3457, 6340, 6914, 13828, 17285, 34570, 40259, 69140, 80518, 161036, 201295, 402590, 439039, 805180, 878078, 1095869, 1756156, 2191738, 2195195, 4383476, 4390390, 5479345, 8780780, 10958690, 21917380, 139175363, 278350726, 556701452, 695876815, 1391753630, 2783507260]

約数ペア:

[(1, 2783507260), (2, 1391753630), (4, 695876815), (5, 556701452), (10, 278350726), (20, 139175363), (127, 21917380), (254, 10958690), (317, 8780780), (508, 5479345), (634, 4390390), (635, 4383476), (1268, 2195195), (1270, 2191738), (1585, 1756156), (2540, 1095869), (3170, 878078), (3457, 805180), (6340, 439039), (6914, 402590), (13828, 201295), (17285, 161036), (34570, 80518), (40259, 69140)]