202309220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2341}}^1$

素因数の和:2528

約数の個数: 48

約数和(自身を含む): 442638000

約数和(自身を除く): 240328780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1490, 2341, 2980, 4321, 4682, 8642, 9364, 11705, 17284, 21605, 23410, 43210, 46820, 67889, 86420, 135778, 271556, 339445, 348809, 678890, 697618, 1357780, 1395236, 1744045, 3488090, 6976180, 10115461, 20230922, 40461844, 50577305, 101154610, 202309220]

約数ペア:

[(1, 202309220), (2, 101154610), (4, 50577305), (5, 40461844), (10, 20230922), (20, 10115461), (29, 6976180), (58, 3488090), (116, 1744045), (145, 1395236), (149, 1357780), (290, 697618), (298, 678890), (580, 348809), (596, 339445), (745, 271556), (1490, 135778), (2341, 86420), (2980, 67889), (4321, 46820), (4682, 43210), (8642, 23410), (9364, 21605), (11705, 17284)]