28962920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{2111}}^1$

素因数の和:2143

約数の個数: 64

約数和(自身を含む): 76032000

約数和(自身を除く): 47069080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2111, 2744, 3430, 4222, 6860, 8444, 10555, 13720, 14777, 16888, 21110, 29554, 42220, 59108, 73885, 84440, 103439, 118216, 147770, 206878, 295540, 413756, 517195, 591080, 724073, 827512, 1034390, 1448146, 2068780, 2896292, 3620365, 4137560, 5792584, 7240730, 14481460, 28962920]

約数ペア:

[(1, 28962920), (2, 14481460), (4, 7240730), (5, 5792584), (7, 4137560), (8, 3620365), (10, 2896292), (14, 2068780), (20, 1448146), (28, 1034390), (35, 827512), (40, 724073), (49, 591080), (56, 517195), (70, 413756), (98, 295540), (140, 206878), (196, 147770), (245, 118216), (280, 103439), (343, 84440), (392, 73885), (490, 59108), (686, 42220), (980, 29554), (1372, 21110), (1715, 16888), (1960, 14777), (2111, 13720), (2744, 10555), (3430, 8444), (4222, 6860)]