202820680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3187}}^1$

素因数の和:3278

約数の個数: 64

約数和(自身を含む): 479730240

約数和(自身を除く): 276909560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1480, 1591, 1720, 3182, 3187, 6364, 6374, 7955, 12728, 12748, 15910, 15935, 25496, 31820, 31870, 63640, 63740, 117919, 127480, 137041, 235838, 274082, 471676, 548164, 589595, 685205, 943352, 1096328, 1179190, 1370410, 2358380, 2740820, 4716760, 5070517, 5481640, 10141034, 20282068, 25352585, 40564136, 50705170, 101410340, 202820680]

約数ペア:

[(1, 202820680), (2, 101410340), (4, 50705170), (5, 40564136), (8, 25352585), (10, 20282068), (20, 10141034), (37, 5481640), (40, 5070517), (43, 4716760), (74, 2740820), (86, 2358380), (148, 1370410), (172, 1179190), (185, 1096328), (215, 943352), (296, 685205), (344, 589595), (370, 548164), (430, 471676), (740, 274082), (860, 235838), (1480, 137041), (1591, 127480), (1720, 117919), (3182, 63740), (3187, 63640), (6364, 31870), (6374, 31820), (7955, 25496), (12728, 15935), (12748, 15910)]