212808280

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{90173}}^1$

素因数の和:90243

約数の個数: 32

約数和(自身を含む): 486939600

約数和(自身を除く): 274131320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 90173, 180346, 360692, 450865, 721384, 901730, 1803460, 3606920, 5320207, 10640414, 21280828, 26601035, 42561656, 53202070, 106404140, 212808280]

約数ペア:

[(1, 212808280), (2, 106404140), (4, 53202070), (5, 42561656), (8, 26601035), (10, 21280828), (20, 10640414), (40, 5320207), (59, 3606920), (118, 1803460), (236, 901730), (295, 721384), (472, 450865), (590, 360692), (1180, 180346), (2360, 90173)]