173894140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{25349}}^1$

素因数の和:25379

約数の個数: 48

約数和(自身を含む): 425880000

約数和(自身を除く): 251985860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 25349, 50698, 101396, 126745, 177443, 253490, 354886, 506980, 709772, 887215, 1242101, 1774430, 2484202, 3548860, 4968404, 6210505, 8694707, 12421010, 17389414, 24842020, 34778828, 43473535, 86947070, 173894140]

約数ペア:

[(1, 173894140), (2, 86947070), (4, 43473535), (5, 34778828), (7, 24842020), (10, 17389414), (14, 12421010), (20, 8694707), (28, 6210505), (35, 4968404), (49, 3548860), (70, 2484202), (98, 1774430), (140, 1242101), (196, 887215), (245, 709772), (343, 506980), (490, 354886), (686, 253490), (980, 177443), (1372, 126745), (1715, 101396), (3430, 50698), (6860, 25349)]