13740860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1609}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 33539520

約数和(自身を除く): 19798660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1609, 1708, 2135, 3218, 4270, 6436, 8045, 8540, 11263, 16090, 22526, 32180, 45052, 56315, 98149, 112630, 196298, 225260, 392596, 490745, 687043, 981490, 1374086, 1962980, 2748172, 3435215, 6870430, 13740860]

約数ペア:

[(1, 13740860), (2, 6870430), (4, 3435215), (5, 2748172), (7, 1962980), (10, 1374086), (14, 981490), (20, 687043), (28, 490745), (35, 392596), (61, 225260), (70, 196298), (122, 112630), (140, 98149), (244, 56315), (305, 45052), (427, 32180), (610, 22526), (854, 16090), (1220, 11263), (1609, 8540), (1708, 8045), (2135, 6436), (3218, 4270)]