2549960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1301}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 6679260

約数和(自身を除く): 4129300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1301, 1960, 2602, 5204, 6505, 9107, 10408, 13010, 18214, 26020, 36428, 45535, 52040, 63749, 72856, 91070, 127498, 182140, 254996, 318745, 364280, 509992, 637490, 1274980, 2549960]

約数ペア:

[(1, 2549960), (2, 1274980), (4, 637490), (5, 509992), (7, 364280), (8, 318745), (10, 254996), (14, 182140), (20, 127498), (28, 91070), (35, 72856), (40, 63749), (49, 52040), (56, 45535), (70, 36428), (98, 26020), (140, 18214), (196, 13010), (245, 10408), (280, 9107), (392, 6505), (490, 5204), (980, 2602), (1301, 1960)]