908704810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{1091}}^1$

素因数の和:1303

約数の個数: 64

約数和(自身を含む): 1816214400

約数和(自身を除く): 907509590

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 149, 215, 298, 430, 559, 745, 1091, 1118, 1490, 1937, 2182, 2795, 3874, 5455, 5590, 6407, 9685, 10910, 12814, 14183, 19370, 28366, 32035, 46913, 64070, 70915, 83291, 93826, 141830, 162559, 166582, 234565, 325118, 416455, 469130, 609869, 812795, 832910, 1219738, 1625590, 2113267, 3049345, 4226534, 6098690, 6990037, 10566335, 13980074, 21132670, 34950185, 69900370, 90870481, 181740962, 454352405, 908704810]

約数ペア:

[(1, 908704810), (2, 454352405), (5, 181740962), (10, 90870481), (13, 69900370), (26, 34950185), (43, 21132670), (65, 13980074), (86, 10566335), (130, 6990037), (149, 6098690), (215, 4226534), (298, 3049345), (430, 2113267), (559, 1625590), (745, 1219738), (1091, 832910), (1118, 812795), (1490, 609869), (1937, 469130), (2182, 416455), (2795, 325118), (3874, 234565), (5455, 166582), (5590, 162559), (6407, 141830), (9685, 93826), (10910, 83291), (12814, 70915), (14183, 64070), (19370, 46913), (28366, 32035)]