131649980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{85487}}^1$

素因数の和:85514

約数の個数: 48

約数和(自身を含む): 344687616

約数和(自身を除く): 213037636

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, 85487, 170974, 341948, 427435, 598409, 854870, 940357, 1196818, 1709740, 1880714, 2393636, 2992045, 3761428, 4701785, 5984090, 6582499, 9403570, 11968180, 13164998, 18807140, 26329996, 32912495, 65824990, 131649980]

約数ペア:

[(1, 131649980), (2, 65824990), (4, 32912495), (5, 26329996), (7, 18807140), (10, 13164998), (11, 11968180), (14, 9403570), (20, 6582499), (22, 5984090), (28, 4701785), (35, 3761428), (44, 2992045), (55, 2393636), (70, 1880714), (77, 1709740), (110, 1196818), (140, 940357), (154, 854870), (220, 598409), (308, 427435), (385, 341948), (770, 170974), (1540, 85487)]