2121957380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{9803}}^1$

素因数の和:10028

約数の個数: 48

約数和(自身を含む): 4545918720

約数和(自身を除く): 2423961340

約数列:

[1, 2, 4, 5, 10, 20, 79, 137, 158, 274, 316, 395, 548, 685, 790, 1370, 1580, 2740, 9803, 10823, 19606, 21646, 39212, 43292, 49015, 54115, 98030, 108230, 196060, 216460, 774437, 1343011, 1548874, 2686022, 3097748, 3872185, 5372044, 6715055, 7744370, 13430110, 15488740, 26860220, 106097869, 212195738, 424391476, 530489345, 1060978690, 2121957380]

約数ペア:

[(1, 2121957380), (2, 1060978690), (4, 530489345), (5, 424391476), (10, 212195738), (20, 106097869), (79, 26860220), (137, 15488740), (158, 13430110), (274, 7744370), (316, 6715055), (395, 5372044), (548, 3872185), (685, 3097748), (790, 2686022), (1370, 1548874), (1580, 1343011), (2740, 774437), (9803, 216460), (10823, 196060), (19606, 108230), (21646, 98030), (39212, 54115), (43292, 49015)]