319713080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{509}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 740275200

約数和(自身を除く): 420562120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 383, 410, 509, 766, 820, 1018, 1532, 1640, 1915, 2036, 2545, 3064, 3830, 4072, 5090, 7660, 10180, 15320, 15703, 20360, 20869, 31406, 41738, 62812, 78515, 83476, 104345, 125624, 157030, 166952, 194947, 208690, 314060, 389894, 417380, 628120, 779788, 834760, 974735, 1559576, 1949470, 3898940, 7797880, 7992827, 15985654, 31971308, 39964135, 63942616, 79928270, 159856540, 319713080]

約数ペア:

[(1, 319713080), (2, 159856540), (4, 79928270), (5, 63942616), (8, 39964135), (10, 31971308), (20, 15985654), (40, 7992827), (41, 7797880), (82, 3898940), (164, 1949470), (205, 1559576), (328, 974735), (383, 834760), (410, 779788), (509, 628120), (766, 417380), (820, 389894), (1018, 314060), (1532, 208690), (1640, 194947), (1915, 166952), (2036, 157030), (2545, 125624), (3064, 104345), (3830, 83476), (4072, 78515), (5090, 62812), (7660, 41738), (10180, 31406), (15320, 20869), (15703, 20360)]