30751700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 76995072

約数和(自身を除く): 46243372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 197, 223, 350, 394, 446, 700, 788, 892, 985, 1115, 1379, 1561, 1970, 2230, 2758, 3122, 3940, 4460, 4925, 5516, 5575, 6244, 6895, 7805, 9850, 11150, 13790, 15610, 19700, 22300, 27580, 31220, 34475, 39025, 43931, 68950, 78050, 87862, 137900, 156100, 175724, 219655, 307517, 439310, 615034, 878620, 1098275, 1230068, 1537585, 2196550, 3075170, 4393100, 6150340, 7687925, 15375850, 30751700]

約数ペア:

[(1, 30751700), (2, 15375850), (4, 7687925), (5, 6150340), (7, 4393100), (10, 3075170), (14, 2196550), (20, 1537585), (25, 1230068), (28, 1098275), (35, 878620), (50, 615034), (70, 439310), (100, 307517), (140, 219655), (175, 175724), (197, 156100), (223, 137900), (350, 87862), (394, 78050), (446, 68950), (700, 43931), (788, 39025), (892, 34475), (985, 31220), (1115, 27580), (1379, 22300), (1561, 19700), (1970, 15610), (2230, 13790), (2758, 11150), (3122, 9850), (3940, 7805), (4460, 6895), (4925, 6244), (5516, 5575)]