202809640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5179}}^1$

素因数の和:5290

約数の個数: 64

約数和(自身を含む): 503496000

約数和(自身を除く): 300686360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 3560, 3916, 4895, 5179, 7832, 9790, 10358, 19580, 20716, 25895, 39160, 41432, 51790, 56969, 103580, 113938, 207160, 227876, 284845, 455752, 460931, 569690, 921862, 1139380, 1843724, 2278760, 2304655, 3687448, 4609310, 5070241, 9218620, 10140482, 18437240, 20280964, 25351205, 40561928, 50702410, 101404820, 202809640]

約数ペア:

[(1, 202809640), (2, 101404820), (4, 50702410), (5, 40561928), (8, 25351205), (10, 20280964), (11, 18437240), (20, 10140482), (22, 9218620), (40, 5070241), (44, 4609310), (55, 3687448), (88, 2304655), (89, 2278760), (110, 1843724), (178, 1139380), (220, 921862), (356, 569690), (440, 460931), (445, 455752), (712, 284845), (890, 227876), (979, 207160), (1780, 113938), (1958, 103580), (3560, 56969), (3916, 51790), (4895, 41432), (5179, 39160), (7832, 25895), (9790, 20716), (10358, 19580)]