250812815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 369515520

約数和(自身を除く): 118702705

約数列:

[1, 5, 11, 17, 23, 55, 85, 107, 109, 115, 187, 253, 391, 535, 545, 935, 1177, 1199, 1265, 1819, 1853, 1955, 2461, 2507, 4301, 5885, 5995, 9095, 9265, 11663, 12305, 12535, 20009, 20383, 21505, 27071, 27577, 41837, 42619, 58315, 100045, 101915, 128293, 135355, 137885, 198271, 209185, 213095, 268249, 460207, 468809, 641465, 991355, 1341245, 2180981, 2301035, 2344045, 2950739, 4560233, 10904905, 14753695, 22801165, 50162563, 250812815]

約数ペア:

[(1, 250812815), (5, 50162563), (11, 22801165), (17, 14753695), (23, 10904905), (55, 4560233), (85, 2950739), (107, 2344045), (109, 2301035), (115, 2180981), (187, 1341245), (253, 991355), (391, 641465), (535, 468809), (545, 460207), (935, 268249), (1177, 213095), (1199, 209185), (1265, 198271), (1819, 137885), (1853, 135355), (1955, 128293), (2461, 101915), (2507, 100045), (4301, 58315), (5885, 42619), (5995, 41837), (9095, 27577), (9265, 27071), (11663, 21505), (12305, 20383), (12535, 20009)]