1209712910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{243403}}^1$

素因数の和:243488

約数の個数: 32

約数和(自身を含む): 2523612672

約数和(自身を除く): 1313899762

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 243403, 486806, 1217015, 1703821, 2434030, 3407642, 8519105, 17038210, 17281613, 34563226, 86408065, 120971291, 172816130, 241942582, 604856455, 1209712910]

約数ペア:

[(1, 1209712910), (2, 604856455), (5, 241942582), (7, 172816130), (10, 120971291), (14, 86408065), (35, 34563226), (70, 17281613), (71, 17038210), (142, 8519105), (355, 3407642), (497, 2434030), (710, 1703821), (994, 1217015), (2485, 486806), (4970, 243403)]