2912496190

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 5492551680

約数和(自身を除く): 2580055490

約数列:

[1, 2, 5, 10, 31, 62, 139, 155, 257, 263, 278, 310, 514, 526, 695, 1285, 1315, 1390, 2570, 2630, 4309, 7967, 8153, 8618, 15934, 16306, 21545, 35723, 36557, 39835, 40765, 43090, 67591, 71446, 73114, 79670, 81530, 135182, 178615, 182785, 337955, 357230, 365570, 675910, 1107413, 1133267, 2095321, 2214826, 2266534, 4190642, 5537065, 5666335, 9395149, 10476605, 11074130, 11332670, 18790298, 20953210, 46975745, 93951490, 291249619, 582499238, 1456248095, 2912496190]

約数ペア:

[(1, 2912496190), (2, 1456248095), (5, 582499238), (10, 291249619), (31, 93951490), (62, 46975745), (139, 20953210), (155, 18790298), (257, 11332670), (263, 11074130), (278, 10476605), (310, 9395149), (514, 5666335), (526, 5537065), (695, 4190642), (1285, 2266534), (1315, 2214826), (1390, 2095321), (2570, 1133267), (2630, 1107413), (4309, 675910), (7967, 365570), (8153, 357230), (8618, 337955), (15934, 182785), (16306, 178615), (21545, 135182), (35723, 81530), (36557, 79670), (39835, 73114), (40765, 71446), (43090, 67591)]