340879490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{421}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 721923840

約数和(自身を除く): 381044350

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 269, 301, 421, 430, 538, 602, 842, 1345, 1505, 1883, 2105, 2690, 2947, 3010, 3766, 4210, 5894, 9415, 11567, 14735, 18103, 18830, 23134, 29470, 36206, 57835, 80969, 90515, 113249, 115670, 126721, 161938, 181030, 226498, 253442, 404845, 566245, 633605, 792743, 809690, 1132490, 1267210, 1585486, 3963715, 4869707, 7927430, 9739414, 24348535, 34087949, 48697070, 68175898, 170439745, 340879490]

約数ペア:

[(1, 340879490), (2, 170439745), (5, 68175898), (7, 48697070), (10, 34087949), (14, 24348535), (35, 9739414), (43, 7927430), (70, 4869707), (86, 3963715), (215, 1585486), (269, 1267210), (301, 1132490), (421, 809690), (430, 792743), (538, 633605), (602, 566245), (842, 404845), (1345, 253442), (1505, 226498), (1883, 181030), (2105, 161938), (2690, 126721), (2947, 115670), (3010, 113249), (3766, 90515), (4210, 80969), (5894, 57835), (9415, 36206), (11567, 29470), (14735, 23134), (18103, 18830)]