20172200

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^2\times {\mathrm{349}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 49964250

約数和(自身を除く): 29792050

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 289, 340, 349, 425, 578, 680, 698, 850, 1156, 1396, 1445, 1700, 1745, 2312, 2792, 2890, 3400, 3490, 5780, 5933, 6980, 7225, 8725, 11560, 11866, 13960, 14450, 17450, 23732, 28900, 29665, 34900, 47464, 57800, 59330, 69800, 100861, 118660, 148325, 201722, 237320, 296650, 403444, 504305, 593300, 806888, 1008610, 1186600, 2017220, 2521525, 4034440, 5043050, 10086100, 20172200]

約数ペア:

[(1, 20172200), (2, 10086100), (4, 5043050), (5, 4034440), (8, 2521525), (10, 2017220), (17, 1186600), (20, 1008610), (25, 806888), (34, 593300), (40, 504305), (50, 403444), (68, 296650), (85, 237320), (100, 201722), (136, 148325), (170, 118660), (200, 100861), (289, 69800), (340, 59330), (349, 57800), (425, 47464), (578, 34900), (680, 29665), (698, 28900), (850, 23732), (1156, 17450), (1396, 14450), (1445, 13960), (1700, 11866), (1745, 11560), (2312, 8725), (2792, 7225), (2890, 6980), (3400, 5933), (3490, 5780)]