208031880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1091}}^1$

素因数の和:1339

約数の個数: 128

約数和(自身を含む): 717050880

約数和(自身を除く): 509019000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 227, 280, 420, 454, 681, 840, 908, 1091, 1135, 1362, 1589, 1816, 2182, 2270, 2724, 3178, 3273, 3405, 4364, 4540, 4767, 5448, 5455, 6356, 6546, 6810, 7637, 7945, 8728, 9080, 9534, 10910, 12712, 13092, 13620, 15274, 15890, 16365, 19068, 21820, 22911, 23835, 26184, 27240, 30548, 31780, 32730, 38136, 38185, 43640, 45822, 47670, 61096, 63560, 65460, 76370, 91644, 95340, 114555, 130920, 152740, 183288, 190680, 229110, 247657, 305480, 458220, 495314, 742971, 916440, 990628, 1238285, 1485942, 1733599, 1981256, 2476570, 2971884, 3467198, 3714855, 4953140, 5200797, 5943768, 6934396, 7429710, 8667995, 9906280, 10401594, 13868792, 14859420, 17335990, 20803188, 26003985, 29718840, 34671980, 41606376, 52007970, 69343960, 104015940, 208031880]

約数ペア:

[(1, 208031880), (2, 104015940), (3, 69343960), (4, 52007970), (5, 41606376), (6, 34671980), (7, 29718840), (8, 26003985), (10, 20803188), (12, 17335990), (14, 14859420), (15, 13868792), (20, 10401594), (21, 9906280), (24, 8667995), (28, 7429710), (30, 6934396), (35, 5943768), (40, 5200797), (42, 4953140), (56, 3714855), (60, 3467198), (70, 2971884), (84, 2476570), (105, 1981256), (120, 1733599), (140, 1485942), (168, 1238285), (210, 990628), (227, 916440), (280, 742971), (420, 495314), (454, 458220), (681, 305480), (840, 247657), (908, 229110), (1091, 190680), (1135, 183288), (1362, 152740), (1589, 130920), (1816, 114555), (2182, 95340), (2270, 91644), (2724, 76370), (3178, 65460), (3273, 63560), (3405, 61096), (4364, 47670), (4540, 45822), (4767, 43640), (5448, 38185), (5455, 38136), (6356, 32730), (6546, 31780), (6810, 30548), (7637, 27240), (7945, 26184), (8728, 23835), (9080, 22911), (9534, 21820), (10910, 19068), (12712, 16365), (13092, 15890), (13620, 15274)]