254645860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{4051}}^1$

素因数の和:4516

約数の個数: 48

約数和(自身を含む): 612662400

約数和(自身を除く): 358016540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 449, 898, 1796, 2245, 3143, 4051, 4490, 6286, 8102, 8980, 12572, 15715, 16204, 20255, 28357, 31430, 40510, 56714, 62860, 81020, 113428, 141785, 283570, 567140, 1818899, 3637798, 7275596, 9094495, 12732293, 18188990, 25464586, 36377980, 50929172, 63661465, 127322930, 254645860]

約数ペア:

[(1, 254645860), (2, 127322930), (4, 63661465), (5, 50929172), (7, 36377980), (10, 25464586), (14, 18188990), (20, 12732293), (28, 9094495), (35, 7275596), (70, 3637798), (140, 1818899), (449, 567140), (898, 283570), (1796, 141785), (2245, 113428), (3143, 81020), (4051, 62860), (4490, 56714), (6286, 40510), (8102, 31430), (8980, 28357), (12572, 20255), (15715, 16204)]