207918140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{2129}}^1$

素因数の和:2414

約数の個数: 48

約数和(自身を含む): 461613600

約数和(自身を除く): 253695460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 257, 380, 514, 1028, 1285, 2129, 2570, 4258, 4883, 5140, 8516, 9766, 10645, 19532, 21290, 24415, 40451, 42580, 48830, 80902, 97660, 161804, 202255, 404510, 547153, 809020, 1094306, 2188612, 2735765, 5471530, 10395907, 10943060, 20791814, 41583628, 51979535, 103959070, 207918140]

約数ペア:

[(1, 207918140), (2, 103959070), (4, 51979535), (5, 41583628), (10, 20791814), (19, 10943060), (20, 10395907), (38, 5471530), (76, 2735765), (95, 2188612), (190, 1094306), (257, 809020), (380, 547153), (514, 404510), (1028, 202255), (1285, 161804), (2129, 97660), (2570, 80902), (4258, 48830), (4883, 42580), (5140, 40451), (8516, 24415), (9766, 21290), (10645, 19532)]