127968820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{2111}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 307980288

約数和(自身を除く): 180011468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 433, 866, 1732, 2111, 2165, 3031, 4222, 4330, 6062, 8444, 8660, 10555, 12124, 14777, 15155, 21110, 29554, 30310, 42220, 59108, 60620, 73885, 147770, 295540, 914063, 1828126, 3656252, 4570315, 6398441, 9140630, 12796882, 18281260, 25593764, 31992205, 63984410, 127968820]

約数ペア:

[(1, 127968820), (2, 63984410), (4, 31992205), (5, 25593764), (7, 18281260), (10, 12796882), (14, 9140630), (20, 6398441), (28, 4570315), (35, 3656252), (70, 1828126), (140, 914063), (433, 295540), (866, 147770), (1732, 73885), (2111, 60620), (2165, 59108), (3031, 42220), (4222, 30310), (4330, 29554), (6062, 21110), (8444, 15155), (8660, 14777), (10555, 12124)]