13370140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1949}}^1$

素因数の和:1979

約数の個数: 48

約数和(自身を含む): 32760000

約数和(自身を除く): 19389860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 1949, 3430, 3898, 6860, 7796, 9745, 13643, 19490, 27286, 38980, 54572, 68215, 95501, 136430, 191002, 272860, 382004, 477505, 668507, 955010, 1337014, 1910020, 2674028, 3342535, 6685070, 13370140]

約数ペア:

[(1, 13370140), (2, 6685070), (4, 3342535), (5, 2674028), (7, 1910020), (10, 1337014), (14, 955010), (20, 668507), (28, 477505), (35, 382004), (49, 272860), (70, 191002), (98, 136430), (140, 95501), (196, 68215), (245, 54572), (343, 38980), (490, 27286), (686, 19490), (980, 13643), (1372, 9745), (1715, 7796), (1949, 6860), (3430, 3898)]