120428980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{2053}}^1$

素因数の和:2488

約数の個数: 48

約数和(自身を含む): 289860480

約数和(自身を除く): 169431500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 419, 838, 1676, 2053, 2095, 2933, 4106, 4190, 5866, 8212, 8380, 10265, 11732, 14371, 14665, 20530, 28742, 29330, 41060, 57484, 58660, 71855, 143710, 287420, 860207, 1720414, 3440828, 4301035, 6021449, 8602070, 12042898, 17204140, 24085796, 30107245, 60214490, 120428980]

約数ペア:

[(1, 120428980), (2, 60214490), (4, 30107245), (5, 24085796), (7, 17204140), (10, 12042898), (14, 8602070), (20, 6021449), (28, 4301035), (35, 3440828), (70, 1720414), (140, 860207), (419, 287420), (838, 143710), (1676, 71855), (2053, 58660), (2095, 57484), (2933, 41060), (4106, 29330), (4190, 28742), (5866, 20530), (8212, 14665), (8380, 14371), (10265, 11732)]