30928220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 66933216

約数和(自身を除く): 36004996

約数列:

[1, 2, 4, 5, 10, 20, 61, 101, 122, 202, 244, 251, 305, 404, 502, 505, 610, 1004, 1010, 1220, 1255, 2020, 2510, 5020, 6161, 12322, 15311, 24644, 25351, 30622, 30805, 50702, 61244, 61610, 76555, 101404, 123220, 126755, 153110, 253510, 306220, 507020, 1546411, 3092822, 6185644, 7732055, 15464110, 30928220]

約数ペア:

[(1, 30928220), (2, 15464110), (4, 7732055), (5, 6185644), (10, 3092822), (20, 1546411), (61, 507020), (101, 306220), (122, 253510), (202, 153110), (244, 126755), (251, 123220), (305, 101404), (404, 76555), (502, 61610), (505, 61244), (610, 50702), (1004, 30805), (1010, 30622), (1220, 25351), (1255, 24644), (2020, 15311), (2510, 12322), (5020, 6161)]