2567579420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1259}}^1\times {\mathrm{2081}}^1$

素因数の和:3363

約数の個数: 72

約数和(自身を含む): 6280228080

約数和(自身を除く): 3712648660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1259, 2081, 2518, 4162, 5036, 6295, 8324, 8813, 10405, 12590, 14567, 17626, 20810, 25180, 29134, 35252, 41620, 44065, 58268, 61691, 72835, 88130, 101969, 123382, 145670, 176260, 203938, 246764, 291340, 308455, 407876, 509845, 616910, 1019690, 1233820, 2039380, 2619979, 5239958, 10479916, 13099895, 18339853, 26199790, 36679706, 52399580, 73359412, 91699265, 128378971, 183398530, 256757942, 366797060, 513515884, 641894855, 1283789710, 2567579420]

約数ペア:

[(1, 2567579420), (2, 1283789710), (4, 641894855), (5, 513515884), (7, 366797060), (10, 256757942), (14, 183398530), (20, 128378971), (28, 91699265), (35, 73359412), (49, 52399580), (70, 36679706), (98, 26199790), (140, 18339853), (196, 13099895), (245, 10479916), (490, 5239958), (980, 2619979), (1259, 2039380), (2081, 1233820), (2518, 1019690), (4162, 616910), (5036, 509845), (6295, 407876), (8324, 308455), (8813, 291340), (10405, 246764), (12590, 203938), (14567, 176260), (17626, 145670), (20810, 123382), (25180, 101969), (29134, 88130), (35252, 72835), (41620, 61691), (44065, 58268)]