30502000

素因数分解:

$2^4\times 5^3\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:275

約数の個数: 80

約数和(自身を含む): 74977344

約数和(自身を除く): 44475344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 125, 151, 200, 202, 250, 302, 400, 404, 500, 505, 604, 755, 808, 1000, 1010, 1208, 1510, 1616, 2000, 2020, 2416, 2525, 3020, 3775, 4040, 5050, 6040, 7550, 8080, 10100, 12080, 12625, 15100, 15251, 18875, 20200, 25250, 30200, 30502, 37750, 40400, 50500, 60400, 61004, 75500, 76255, 101000, 122008, 151000, 152510, 202000, 244016, 302000, 305020, 381275, 610040, 762550, 1220080, 1525100, 1906375, 3050200, 3812750, 6100400, 7625500, 15251000, 30502000]

約数ペア:

[(1, 30502000), (2, 15251000), (4, 7625500), (5, 6100400), (8, 3812750), (10, 3050200), (16, 1906375), (20, 1525100), (25, 1220080), (40, 762550), (50, 610040), (80, 381275), (100, 305020), (101, 302000), (125, 244016), (151, 202000), (200, 152510), (202, 151000), (250, 122008), (302, 101000), (400, 76255), (404, 75500), (500, 61004), (505, 60400), (604, 50500), (755, 40400), (808, 37750), (1000, 30502), (1010, 30200), (1208, 25250), (1510, 20200), (1616, 18875), (2000, 15251), (2020, 15100), (2416, 12625), (2525, 12080), (3020, 10100), (3775, 8080), (4040, 7550), (5050, 6040)]