299791880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{911}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 712454400

約数和(自身を除く): 412662520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 433, 760, 866, 911, 1732, 1822, 2165, 3464, 3644, 4330, 4555, 7288, 8227, 8660, 9110, 16454, 17309, 17320, 18220, 32908, 34618, 36440, 41135, 65816, 69236, 82270, 86545, 138472, 164540, 173090, 329080, 346180, 394463, 692360, 788926, 1577852, 1972315, 3155704, 3944630, 7494797, 7889260, 14989594, 15778520, 29979188, 37473985, 59958376, 74947970, 149895940, 299791880]

約数ペア:

[(1, 299791880), (2, 149895940), (4, 74947970), (5, 59958376), (8, 37473985), (10, 29979188), (19, 15778520), (20, 14989594), (38, 7889260), (40, 7494797), (76, 3944630), (95, 3155704), (152, 1972315), (190, 1577852), (380, 788926), (433, 692360), (760, 394463), (866, 346180), (911, 329080), (1732, 173090), (1822, 164540), (2165, 138472), (3464, 86545), (3644, 82270), (4330, 69236), (4555, 65816), (7288, 41135), (8227, 36440), (8660, 34618), (9110, 32908), (16454, 18220), (17309, 17320)]