1887620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 4609920

約数和(自身を除く): 2722300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 139, 140, 194, 278, 388, 485, 556, 679, 695, 970, 973, 1358, 1390, 1940, 1946, 2716, 2780, 3395, 3892, 4865, 6790, 9730, 13483, 13580, 19460, 26966, 53932, 67415, 94381, 134830, 188762, 269660, 377524, 471905, 943810, 1887620]

約数ペア:

[(1, 1887620), (2, 943810), (4, 471905), (5, 377524), (7, 269660), (10, 188762), (14, 134830), (20, 94381), (28, 67415), (35, 53932), (70, 26966), (97, 19460), (139, 13580), (140, 13483), (194, 9730), (278, 6790), (388, 4865), (485, 3892), (556, 3395), (679, 2780), (695, 2716), (970, 1946), (973, 1940), (1358, 1390)]