80749900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10487}}^1$

素因数の和:10519

約数の個数: 72

約数和(自身を含む): 218486016

約数和(自身を除く): 137736116

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 7700, 10487, 20974, 41948, 52435, 73409, 104870, 115357, 146818, 209740, 230714, 262175, 293636, 367045, 461428, 524350, 576785, 734090, 807499, 1048700, 1153570, 1468180, 1614998, 1835225, 2307140, 2883925, 3229996, 3670450, 4037495, 5767850, 7340900, 8074990, 11535700, 16149980, 20187475, 40374950, 80749900]

約数ペア:

[(1, 80749900), (2, 40374950), (4, 20187475), (5, 16149980), (7, 11535700), (10, 8074990), (11, 7340900), (14, 5767850), (20, 4037495), (22, 3670450), (25, 3229996), (28, 2883925), (35, 2307140), (44, 1835225), (50, 1614998), (55, 1468180), (70, 1153570), (77, 1048700), (100, 807499), (110, 734090), (140, 576785), (154, 524350), (175, 461428), (220, 367045), (275, 293636), (308, 262175), (350, 230714), (385, 209740), (550, 146818), (700, 115357), (770, 104870), (1100, 73409), (1540, 52435), (1925, 41948), (3850, 20974), (7700, 10487)]