43400420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2053}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 104901888

約数和(自身を除く): 61501468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1510, 2053, 2114, 3020, 4106, 4228, 5285, 8212, 10265, 10570, 14371, 20530, 21140, 28742, 41060, 57484, 71855, 143710, 287420, 310003, 620006, 1240012, 1550015, 2170021, 3100030, 4340042, 6200060, 8680084, 10850105, 21700210, 43400420]

約数ペア:

[(1, 43400420), (2, 21700210), (4, 10850105), (5, 8680084), (7, 6200060), (10, 4340042), (14, 3100030), (20, 2170021), (28, 1550015), (35, 1240012), (70, 620006), (140, 310003), (151, 287420), (302, 143710), (604, 71855), (755, 57484), (1057, 41060), (1510, 28742), (2053, 21140), (2114, 20530), (3020, 14371), (4106, 10570), (4228, 10265), (5285, 8212)]