205686040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{2081}}^1$

素因数の和:2452

約数の個数: 64

約数和(自身を含む): 530660160

約数和(自身を除く): 324974120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 353, 706, 1412, 1765, 2081, 2471, 2824, 3530, 4162, 4942, 7060, 8324, 9884, 10405, 12355, 14120, 14567, 16648, 19768, 20810, 24710, 29134, 41620, 49420, 58268, 72835, 83240, 98840, 116536, 145670, 291340, 582680, 734593, 1469186, 2938372, 3672965, 5142151, 5876744, 7345930, 10284302, 14691860, 20568604, 25710755, 29383720, 41137208, 51421510, 102843020, 205686040]

約数ペア:

[(1, 205686040), (2, 102843020), (4, 51421510), (5, 41137208), (7, 29383720), (8, 25710755), (10, 20568604), (14, 14691860), (20, 10284302), (28, 7345930), (35, 5876744), (40, 5142151), (56, 3672965), (70, 2938372), (140, 1469186), (280, 734593), (353, 582680), (706, 291340), (1412, 145670), (1765, 116536), (2081, 98840), (2471, 83240), (2824, 72835), (3530, 58268), (4162, 49420), (4942, 41620), (7060, 29134), (8324, 24710), (9884, 20810), (10405, 19768), (12355, 16648), (14120, 14567)]