1673980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1087}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 4386816

約数和(自身を除く): 2712836

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, 1087, 1540, 2174, 4348, 5435, 7609, 10870, 11957, 15218, 21740, 23914, 30436, 38045, 47828, 59785, 76090, 83699, 119570, 152180, 167398, 239140, 334796, 418495, 836990, 1673980]

約数ペア:

[(1, 1673980), (2, 836990), (4, 418495), (5, 334796), (7, 239140), (10, 167398), (11, 152180), (14, 119570), (20, 83699), (22, 76090), (28, 59785), (35, 47828), (44, 38045), (55, 30436), (70, 23914), (77, 21740), (110, 15218), (140, 11957), (154, 10870), (220, 7609), (308, 5435), (385, 4348), (770, 2174), (1087, 1540)]