9219980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5987}}^1$

素因数の和:6014

約数の個数: 48

約数和(自身を含む): 24143616

約数和(自身を除く): 14923636

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, 5987, 11974, 23948, 29935, 41909, 59870, 65857, 83818, 119740, 131714, 167636, 209545, 263428, 329285, 419090, 460999, 658570, 838180, 921998, 1317140, 1843996, 2304995, 4609990, 9219980]

約数ペア:

[(1, 9219980), (2, 4609990), (4, 2304995), (5, 1843996), (7, 1317140), (10, 921998), (11, 838180), (14, 658570), (20, 460999), (22, 419090), (28, 329285), (35, 263428), (44, 209545), (55, 167636), (70, 131714), (77, 119740), (110, 83818), (140, 65857), (154, 59870), (220, 41909), (308, 29935), (385, 23948), (770, 11974), (1540, 5987)]