208370680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20113}}^1$

素因数の和:20168

約数の個数: 64

約数和(自身を含む): 550319040

約数和(自身を除く): 341948360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 20113, 40226, 80452, 100565, 140791, 160904, 201130, 281582, 402260, 563164, 703955, 744181, 804520, 1126328, 1407910, 1488362, 2815820, 2976724, 3720905, 5209267, 5631640, 5953448, 7441810, 10418534, 14883620, 20837068, 26046335, 29767240, 41674136, 52092670, 104185340, 208370680]

約数ペア:

[(1, 208370680), (2, 104185340), (4, 52092670), (5, 41674136), (7, 29767240), (8, 26046335), (10, 20837068), (14, 14883620), (20, 10418534), (28, 7441810), (35, 5953448), (37, 5631640), (40, 5209267), (56, 3720905), (70, 2976724), (74, 2815820), (140, 1488362), (148, 1407910), (185, 1126328), (259, 804520), (280, 744181), (296, 703955), (370, 563164), (518, 402260), (740, 281582), (1036, 201130), (1295, 160904), (1480, 140791), (2072, 100565), (2590, 80452), (5180, 40226), (10360, 20113)]