209402760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2801}}^1$

素因数の和:2911

約数の個数: 128

約数和(自身を含む): 726278400

約数和(自身を除く): 516875640

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, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 420, 445, 534, 623, 712, 840, 890, 1068, 1246, 1335, 1780, 1869, 2136, 2492, 2670, 2801, 3115, 3560, 3738, 4984, 5340, 5602, 6230, 7476, 8403, 9345, 10680, 11204, 12460, 14005, 14952, 16806, 18690, 19607, 22408, 24920, 28010, 33612, 37380, 39214, 42015, 56020, 58821, 67224, 74760, 78428, 84030, 98035, 112040, 117642, 156856, 168060, 196070, 235284, 249289, 294105, 336120, 392140, 470568, 498578, 588210, 747867, 784280, 997156, 1176420, 1246445, 1495734, 1745023, 1994312, 2352840, 2492890, 2991468, 3490046, 3739335, 4985780, 5235069, 5982936, 6980092, 7478670, 8725115, 9971560, 10470138, 13960184, 14957340, 17450230, 20940276, 26175345, 29914680, 34900460, 41880552, 52350690, 69800920, 104701380, 209402760]

約数ペア:

[(1, 209402760), (2, 104701380), (3, 69800920), (4, 52350690), (5, 41880552), (6, 34900460), (7, 29914680), (8, 26175345), (10, 20940276), (12, 17450230), (14, 14957340), (15, 13960184), (20, 10470138), (21, 9971560), (24, 8725115), (28, 7478670), (30, 6980092), (35, 5982936), (40, 5235069), (42, 4985780), (56, 3739335), (60, 3490046), (70, 2991468), (84, 2492890), (89, 2352840), (105, 1994312), (120, 1745023), (140, 1495734), (168, 1246445), (178, 1176420), (210, 997156), (267, 784280), (280, 747867), (356, 588210), (420, 498578), (445, 470568), (534, 392140), (623, 336120), (712, 294105), (840, 249289), (890, 235284), (1068, 196070), (1246, 168060), (1335, 156856), (1780, 117642), (1869, 112040), (2136, 98035), (2492, 84030), (2670, 78428), (2801, 74760), (3115, 67224), (3560, 58821), (3738, 56020), (4984, 42015), (5340, 39214), (5602, 37380), (6230, 33612), (7476, 28010), (8403, 24920), (9345, 22408), (10680, 19607), (11204, 18690), (12460, 16806), (14005, 14952)]