509740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 1338624

約数和(自身を除く): 828884

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 331, 385, 662, 770, 1324, 1540, 1655, 2317, 3310, 3641, 4634, 6620, 7282, 9268, 11585, 14564, 18205, 23170, 25487, 36410, 46340, 50974, 72820, 101948, 127435, 254870, 509740]

約数ペア:

[(1, 509740), (2, 254870), (4, 127435), (5, 101948), (7, 72820), (10, 50974), (11, 46340), (14, 36410), (20, 25487), (22, 23170), (28, 18205), (35, 14564), (44, 11585), (55, 9268), (70, 7282), (77, 6620), (110, 4634), (140, 3641), (154, 3310), (220, 2317), (308, 1655), (331, 1540), (385, 1324), (662, 770)]