2905945280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{1297297}}^1$

素因数の和:1297321

約数の個数: 56

約数和(自身を含む): 7908328608

約数和(自身を除く): 5002383328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 1297297, 2594594, 5189188, 6486485, 9081079, 10378376, 12972970, 18162158, 20756752, 25945940, 36324316, 41513504, 45405395, 51891880, 72648632, 83027008, 90810790, 103783760, 145297264, 181621580, 207567520, 290594528, 363243160, 415135040, 581189056, 726486320, 1452972640, 2905945280]

約数ペア:

[(1, 2905945280), (2, 1452972640), (4, 726486320), (5, 581189056), (7, 415135040), (8, 363243160), (10, 290594528), (14, 207567520), (16, 181621580), (20, 145297264), (28, 103783760), (32, 90810790), (35, 83027008), (40, 72648632), (56, 51891880), (64, 45405395), (70, 41513504), (80, 36324316), (112, 25945940), (140, 20756752), (160, 18162158), (224, 12972970), (280, 10378376), (320, 9081079), (448, 6486485), (560, 5189188), (1120, 2594594), (2240, 1297297)]