209230280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:691

約数の個数: 128

約数和(自身を含む): 575769600

約数和(自身を除く): 366539320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 67, 70, 76, 95, 133, 134, 140, 152, 190, 266, 268, 280, 335, 380, 469, 532, 536, 587, 665, 670, 760, 938, 1064, 1174, 1273, 1330, 1340, 1876, 2345, 2348, 2546, 2660, 2680, 2935, 3752, 4109, 4690, 4696, 5092, 5320, 5870, 6365, 8218, 8911, 9380, 10184, 11153, 11740, 12730, 16436, 17822, 18760, 20545, 22306, 23480, 25460, 32872, 35644, 39329, 41090, 44555, 44612, 50920, 55765, 71288, 78071, 78658, 82180, 89110, 89224, 111530, 156142, 157316, 164360, 178220, 196645, 223060, 275303, 312284, 314632, 356440, 390355, 393290, 446120, 550606, 624568, 747251, 780710, 786580, 1101212, 1376515, 1494502, 1561420, 1573160, 2202424, 2753030, 2989004, 3122840, 3736255, 5230757, 5506060, 5978008, 7472510, 10461514, 11012120, 14945020, 20923028, 26153785, 29890040, 41846056, 52307570, 104615140, 209230280]

約数ペア:

[(1, 209230280), (2, 104615140), (4, 52307570), (5, 41846056), (7, 29890040), (8, 26153785), (10, 20923028), (14, 14945020), (19, 11012120), (20, 10461514), (28, 7472510), (35, 5978008), (38, 5506060), (40, 5230757), (56, 3736255), (67, 3122840), (70, 2989004), (76, 2753030), (95, 2202424), (133, 1573160), (134, 1561420), (140, 1494502), (152, 1376515), (190, 1101212), (266, 786580), (268, 780710), (280, 747251), (335, 624568), (380, 550606), (469, 446120), (532, 393290), (536, 390355), (587, 356440), (665, 314632), (670, 312284), (760, 275303), (938, 223060), (1064, 196645), (1174, 178220), (1273, 164360), (1330, 157316), (1340, 156142), (1876, 111530), (2345, 89224), (2348, 89110), (2546, 82180), (2660, 78658), (2680, 78071), (2935, 71288), (3752, 55765), (4109, 50920), (4690, 44612), (4696, 44555), (5092, 41090), (5320, 39329), (5870, 35644), (6365, 32872), (8218, 25460), (8911, 23480), (9380, 22306), (10184, 20545), (11153, 18760), (11740, 17822), (12730, 16436)]