82468540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53551}}^1$

素因数の和:53578

約数の個数: 48

約数和(自身を含む): 215921664

約数和(自身を除く): 133453124

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 53551, 107102, 214204, 267755, 374857, 535510, 589061, 749714, 1071020, 1178122, 1499428, 1874285, 2356244, 2945305, 3748570, 4123427, 5890610, 7497140, 8246854, 11781220, 16493708, 20617135, 41234270, 82468540]

約数ペア:

[(1, 82468540), (2, 41234270), (4, 20617135), (5, 16493708), (7, 11781220), (10, 8246854), (11, 7497140), (14, 5890610), (20, 4123427), (22, 3748570), (28, 2945305), (35, 2356244), (44, 1874285), (55, 1499428), (70, 1178122), (77, 1071020), (110, 749714), (140, 589061), (154, 535510), (220, 374857), (308, 267755), (385, 214204), (770, 107102), (1540, 53551)]