305391040

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10723}}^1$

素因数の和:10829

約数の個数: 56

約数和(自身を含む): 735451920

約数和(自身を除く): 430060880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5696, 7120, 10723, 14240, 21446, 28480, 42892, 53615, 85784, 107230, 171568, 214460, 343136, 428920, 686272, 857840, 954347, 1715680, 1908694, 3431360, 3817388, 4771735, 7634776, 9543470, 15269552, 19086940, 30539104, 38173880, 61078208, 76347760, 152695520, 305391040]

約数ペア:

[(1, 305391040), (2, 152695520), (4, 76347760), (5, 61078208), (8, 38173880), (10, 30539104), (16, 19086940), (20, 15269552), (32, 9543470), (40, 7634776), (64, 4771735), (80, 3817388), (89, 3431360), (160, 1908694), (178, 1715680), (320, 954347), (356, 857840), (445, 686272), (712, 428920), (890, 343136), (1424, 214460), (1780, 171568), (2848, 107230), (3560, 85784), (5696, 53615), (7120, 42892), (10723, 28480), (14240, 21446)]