30802420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7369}}^1$

素因数の和:7408

約数の個数: 48

約数和(自身を含む): 74289600

約数和(自身を除く): 43487180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 7369, 14738, 29476, 36845, 73690, 81059, 140011, 147380, 162118, 280022, 324236, 405295, 560044, 700055, 810590, 1400110, 1540121, 1621180, 2800220, 3080242, 6160484, 7700605, 15401210, 30802420]

約数ペア:

[(1, 30802420), (2, 15401210), (4, 7700605), (5, 6160484), (10, 3080242), (11, 2800220), (19, 1621180), (20, 1540121), (22, 1400110), (38, 810590), (44, 700055), (55, 560044), (76, 405295), (95, 324236), (110, 280022), (190, 162118), (209, 147380), (220, 140011), (380, 81059), (418, 73690), (836, 36845), (1045, 29476), (2090, 14738), (4180, 7369)]