204004920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{242863}}^1$

素因数の和:242884

約数の個数: 64

約数和(自身を含む): 699448320

約数和(自身を除く): 495443400

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, 280, 420, 840, 242863, 485726, 728589, 971452, 1214315, 1457178, 1700041, 1942904, 2428630, 2914356, 3400082, 3642945, 4857260, 5100123, 5828712, 6800164, 7285890, 8500205, 9714520, 10200246, 13600328, 14571780, 17000410, 20400492, 25500615, 29143560, 34000820, 40800984, 51001230, 68001640, 102002460, 204004920]

約数ペア:

[(1, 204004920), (2, 102002460), (3, 68001640), (4, 51001230), (5, 40800984), (6, 34000820), (7, 29143560), (8, 25500615), (10, 20400492), (12, 17000410), (14, 14571780), (15, 13600328), (20, 10200246), (21, 9714520), (24, 8500205), (28, 7285890), (30, 6800164), (35, 5828712), (40, 5100123), (42, 4857260), (56, 3642945), (60, 3400082), (70, 2914356), (84, 2428630), (105, 1942904), (120, 1700041), (140, 1457178), (168, 1214315), (210, 971452), (280, 728589), (420, 485726), (840, 242863)]