64149700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{1777}}^1$

素因数の和:1829

約数の個数: 54

約数和(自身を含む): 146999706

約数和(自身を除く): 82850006

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 361, 380, 475, 722, 950, 1444, 1777, 1805, 1900, 3554, 3610, 7108, 7220, 8885, 9025, 17770, 18050, 33763, 35540, 36100, 44425, 67526, 88850, 135052, 168815, 177700, 337630, 641497, 675260, 844075, 1282994, 1688150, 2565988, 3207485, 3376300, 6414970, 12829940, 16037425, 32074850, 64149700]

約数ペア:

[(1, 64149700), (2, 32074850), (4, 16037425), (5, 12829940), (10, 6414970), (19, 3376300), (20, 3207485), (25, 2565988), (38, 1688150), (50, 1282994), (76, 844075), (95, 675260), (100, 641497), (190, 337630), (361, 177700), (380, 168815), (475, 135052), (722, 88850), (950, 67526), (1444, 44425), (1777, 36100), (1805, 35540), (1900, 33763), (3554, 18050), (3610, 17770), (7108, 9025), (7220, 8885)]