5398820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{787}}^1$

素因数の和:817

約数の個数: 48

約数和(自身を含む): 13238400

約数和(自身を除く): 7839580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 787, 980, 1372, 1574, 1715, 3148, 3430, 3935, 5509, 6860, 7870, 11018, 15740, 22036, 27545, 38563, 55090, 77126, 110180, 154252, 192815, 269941, 385630, 539882, 771260, 1079764, 1349705, 2699410, 5398820]

約数ペア:

[(1, 5398820), (2, 2699410), (4, 1349705), (5, 1079764), (7, 771260), (10, 539882), (14, 385630), (20, 269941), (28, 192815), (35, 154252), (49, 110180), (70, 77126), (98, 55090), (140, 38563), (196, 27545), (245, 22036), (343, 15740), (490, 11018), (686, 7870), (787, 6860), (980, 5509), (1372, 3935), (1574, 3430), (1715, 3148)]