198551440

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{16657}}^1$

素因数の和:16819

約数の個数: 40

約数和(自身を含む): 464758200

約数和(自身を除く): 266206760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 16657, 33314, 66628, 83285, 133256, 166570, 266512, 333140, 666280, 1332560, 2481893, 4963786, 9927572, 12409465, 19855144, 24818930, 39710288, 49637860, 99275720, 198551440]

約数ペア:

[(1, 198551440), (2, 99275720), (4, 49637860), (5, 39710288), (8, 24818930), (10, 19855144), (16, 12409465), (20, 9927572), (40, 4963786), (80, 2481893), (149, 1332560), (298, 666280), (596, 333140), (745, 266512), (1192, 166570), (1490, 133256), (2384, 83285), (2980, 66628), (5960, 33314), (11920, 16657)]