9564940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6211}}^1$

素因数の和:6238

約数の個数: 48

約数和(自身を含む): 25046784

約数和(自身を除く): 15481844

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, 6211, 12422, 24844, 31055, 43477, 62110, 68321, 86954, 124220, 136642, 173908, 217385, 273284, 341605, 434770, 478247, 683210, 869540, 956494, 1366420, 1912988, 2391235, 4782470, 9564940]

約数ペア:

[(1, 9564940), (2, 4782470), (4, 2391235), (5, 1912988), (7, 1366420), (10, 956494), (11, 869540), (14, 683210), (20, 478247), (22, 434770), (28, 341605), (35, 273284), (44, 217385), (55, 173908), (70, 136642), (77, 124220), (110, 86954), (140, 68321), (154, 62110), (220, 43477), (308, 31055), (385, 24844), (770, 12422), (1540, 6211)]