207511640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{2383}}^1$

素因数の和:2712

約数の個数: 64

約数和(自身を含む): 535541760

約数和(自身を除く): 328030120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311, 622, 1244, 1555, 2177, 2383, 2488, 3110, 4354, 4766, 6220, 8708, 9532, 10885, 11915, 12440, 16681, 17416, 19064, 21770, 23830, 33362, 43540, 47660, 66724, 83405, 87080, 95320, 133448, 166810, 333620, 667240, 741113, 1482226, 2964452, 3705565, 5187791, 5928904, 7411130, 10375582, 14822260, 20751164, 25938955, 29644520, 41502328, 51877910, 103755820, 207511640]

約数ペア:

[(1, 207511640), (2, 103755820), (4, 51877910), (5, 41502328), (7, 29644520), (8, 25938955), (10, 20751164), (14, 14822260), (20, 10375582), (28, 7411130), (35, 5928904), (40, 5187791), (56, 3705565), (70, 2964452), (140, 1482226), (280, 741113), (311, 667240), (622, 333620), (1244, 166810), (1555, 133448), (2177, 95320), (2383, 87080), (2488, 83405), (3110, 66724), (4354, 47660), (4766, 43540), (6220, 33362), (8708, 23830), (9532, 21770), (10885, 19064), (11915, 17416), (12440, 16681)]