312284920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3863}}^1$

素因数の和:3964

約数の個数: 64

約数和(自身を含む): 734469120

約数和(自身を除く): 422184200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 940, 1720, 1880, 2021, 3863, 4042, 7726, 8084, 10105, 15452, 16168, 19315, 20210, 30904, 38630, 40420, 77260, 80840, 154520, 166109, 181561, 332218, 363122, 664436, 726244, 830545, 907805, 1328872, 1452488, 1661090, 1815610, 3322180, 3631220, 6644360, 7262440, 7807123, 15614246, 31228492, 39035615, 62456984, 78071230, 156142460, 312284920]

約数ペア:

[(1, 312284920), (2, 156142460), (4, 78071230), (5, 62456984), (8, 39035615), (10, 31228492), (20, 15614246), (40, 7807123), (43, 7262440), (47, 6644360), (86, 3631220), (94, 3322180), (172, 1815610), (188, 1661090), (215, 1452488), (235, 1328872), (344, 907805), (376, 830545), (430, 726244), (470, 664436), (860, 363122), (940, 332218), (1720, 181561), (1880, 166109), (2021, 154520), (3863, 80840), (4042, 77260), (7726, 40420), (8084, 38630), (10105, 30904), (15452, 20210), (16168, 19315)]