208651240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{2111}}^1$

素因数の和:2482

約数の個数: 64

約数和(自身を含む): 538306560

約数和(自身を除く): 329655320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 353, 706, 1412, 1765, 2111, 2471, 2824, 3530, 4222, 4942, 7060, 8444, 9884, 10555, 12355, 14120, 14777, 16888, 19768, 21110, 24710, 29554, 42220, 49420, 59108, 73885, 84440, 98840, 118216, 147770, 295540, 591080, 745183, 1490366, 2980732, 3725915, 5216281, 5961464, 7451830, 10432562, 14903660, 20865124, 26081405, 29807320, 41730248, 52162810, 104325620, 208651240]

約数ペア:

[(1, 208651240), (2, 104325620), (4, 52162810), (5, 41730248), (7, 29807320), (8, 26081405), (10, 20865124), (14, 14903660), (20, 10432562), (28, 7451830), (35, 5961464), (40, 5216281), (56, 3725915), (70, 2980732), (140, 1490366), (280, 745183), (353, 591080), (706, 295540), (1412, 147770), (1765, 118216), (2111, 98840), (2471, 84440), (2824, 73885), (3530, 59108), (4222, 49420), (4942, 42220), (7060, 29554), (8444, 24710), (9884, 21110), (10555, 19768), (12355, 16888), (14120, 14777)]