2702840

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{197}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 7128000

約数和(自身を除く): 4425160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 197, 245, 280, 343, 392, 394, 490, 686, 788, 980, 985, 1372, 1379, 1576, 1715, 1960, 1970, 2744, 2758, 3430, 3940, 5516, 6860, 6895, 7880, 9653, 11032, 13720, 13790, 19306, 27580, 38612, 48265, 55160, 67571, 77224, 96530, 135142, 193060, 270284, 337855, 386120, 540568, 675710, 1351420, 2702840]

約数ペア:

[(1, 2702840), (2, 1351420), (4, 675710), (5, 540568), (7, 386120), (8, 337855), (10, 270284), (14, 193060), (20, 135142), (28, 96530), (35, 77224), (40, 67571), (49, 55160), (56, 48265), (70, 38612), (98, 27580), (140, 19306), (196, 13790), (197, 13720), (245, 11032), (280, 9653), (343, 7880), (392, 6895), (394, 6860), (490, 5516), (686, 3940), (788, 3430), (980, 2758), (985, 2744), (1372, 1970), (1379, 1960), (1576, 1715)]