1307762900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2687}}^1$

素因数の和:2889

約数の個数: 72

約数和(自身を含む): 2949144576

約数和(自身を除く): 1641381676

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 157, 310, 314, 620, 628, 775, 785, 1550, 1570, 2687, 3100, 3140, 3925, 4867, 5374, 7850, 9734, 10748, 13435, 15700, 19468, 24335, 26870, 48670, 53740, 67175, 83297, 97340, 121675, 134350, 166594, 243350, 268700, 333188, 416485, 421859, 486700, 832970, 843718, 1665940, 1687436, 2082425, 2109295, 4164850, 4218590, 8329700, 8437180, 10546475, 13077629, 21092950, 26155258, 42185900, 52310516, 65388145, 130776290, 261552580, 326940725, 653881450, 1307762900]

約数ペア:

[(1, 1307762900), (2, 653881450), (4, 326940725), (5, 261552580), (10, 130776290), (20, 65388145), (25, 52310516), (31, 42185900), (50, 26155258), (62, 21092950), (100, 13077629), (124, 10546475), (155, 8437180), (157, 8329700), (310, 4218590), (314, 4164850), (620, 2109295), (628, 2082425), (775, 1687436), (785, 1665940), (1550, 843718), (1570, 832970), (2687, 486700), (3100, 421859), (3140, 416485), (3925, 333188), (4867, 268700), (5374, 243350), (7850, 166594), (9734, 134350), (10748, 121675), (13435, 97340), (15700, 83297), (19468, 67175), (24335, 53740), (26870, 48670)]