49910840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{449}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 128952000

約数和(自身を除く): 79041160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 397, 449, 794, 898, 1588, 1796, 1985, 2245, 2779, 3143, 3176, 3592, 3970, 4490, 5558, 6286, 7940, 8980, 11116, 12572, 13895, 15715, 15880, 17960, 22232, 25144, 27790, 31430, 55580, 62860, 111160, 125720, 178253, 356506, 713012, 891265, 1247771, 1426024, 1782530, 2495542, 3565060, 4991084, 6238855, 7130120, 9982168, 12477710, 24955420, 49910840]

約数ペア:

[(1, 49910840), (2, 24955420), (4, 12477710), (5, 9982168), (7, 7130120), (8, 6238855), (10, 4991084), (14, 3565060), (20, 2495542), (28, 1782530), (35, 1426024), (40, 1247771), (56, 891265), (70, 713012), (140, 356506), (280, 178253), (397, 125720), (449, 111160), (794, 62860), (898, 55580), (1588, 31430), (1796, 27790), (1985, 25144), (2245, 22232), (2779, 17960), (3143, 15880), (3176, 15715), (3592, 13895), (3970, 12572), (4490, 11116), (5558, 8980), (6286, 7940)]