308707980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{735019}}^1$

素因数の和:735038

約数の個数: 48

約数和(自身を含む): 987866880

約数和(自身を除く): 679158900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 735019, 1470038, 2205057, 2940076, 3675095, 4410114, 5145133, 7350190, 8820228, 10290266, 11025285, 14700380, 15435399, 20580532, 22050570, 25725665, 30870798, 44101140, 51451330, 61741596, 77176995, 102902660, 154353990, 308707980]

約数ペア:

[(1, 308707980), (2, 154353990), (3, 102902660), (4, 77176995), (5, 61741596), (6, 51451330), (7, 44101140), (10, 30870798), (12, 25725665), (14, 22050570), (15, 20580532), (20, 15435399), (21, 14700380), (28, 11025285), (30, 10290266), (35, 8820228), (42, 7350190), (60, 5145133), (70, 4410114), (84, 3675095), (105, 2940076), (140, 2205057), (210, 1470038), (420, 735019)]