200291195

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 280806912

約数和(自身を除く): 80515717

約数列:

[1, 5, 13, 17, 65, 73, 85, 169, 191, 221, 365, 845, 949, 955, 1105, 1241, 2483, 2873, 3247, 4745, 6205, 12337, 12415, 13943, 14365, 16133, 16235, 32279, 42211, 61685, 69715, 80665, 161395, 181259, 209729, 211055, 237031, 548743, 906295, 1048645, 1185155, 2356367, 2743715, 3081403, 11781835, 15407015, 40058239, 200291195]

約数ペア:

[(1, 200291195), (5, 40058239), (13, 15407015), (17, 11781835), (65, 3081403), (73, 2743715), (85, 2356367), (169, 1185155), (191, 1048645), (221, 906295), (365, 548743), (845, 237031), (949, 211055), (955, 209729), (1105, 181259), (1241, 161395), (2483, 80665), (2873, 69715), (3247, 61685), (4745, 42211), (6205, 32279), (12337, 16235), (12415, 16133), (13943, 14365)]