2702420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 6585600

約数和(自身を除く): 3883180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 199, 388, 398, 485, 679, 796, 970, 995, 1358, 1393, 1940, 1990, 2716, 2786, 3395, 3980, 5572, 6790, 6965, 13580, 13930, 19303, 27860, 38606, 77212, 96515, 135121, 193030, 270242, 386060, 540484, 675605, 1351210, 2702420]

約数ペア:

[(1, 2702420), (2, 1351210), (4, 675605), (5, 540484), (7, 386060), (10, 270242), (14, 193030), (20, 135121), (28, 96515), (35, 77212), (70, 38606), (97, 27860), (140, 19303), (194, 13930), (199, 13580), (388, 6965), (398, 6790), (485, 5572), (679, 3980), (796, 3395), (970, 2786), (995, 2716), (1358, 1990), (1393, 1940)]