2477860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1609}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 6491520

約数和(自身を除く): 4013660

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, 1609, 3218, 6436, 8045, 11263, 16090, 17699, 22526, 32180, 35398, 45052, 56315, 70796, 88495, 112630, 123893, 176990, 225260, 247786, 353980, 495572, 619465, 1238930, 2477860]

約数ペア:

[(1, 2477860), (2, 1238930), (4, 619465), (5, 495572), (7, 353980), (10, 247786), (11, 225260), (14, 176990), (20, 123893), (22, 112630), (28, 88495), (35, 70796), (44, 56315), (55, 45052), (70, 35398), (77, 32180), (110, 22526), (140, 17699), (154, 16090), (220, 11263), (308, 8045), (385, 6436), (770, 3218), (1540, 1609)]