207947890

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1\times {\mathrm{907}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 380096064

約数和(自身を除く): 172148174

約数列:

[1, 2, 5, 10, 101, 202, 227, 454, 505, 907, 1010, 1135, 1814, 2270, 4535, 9070, 22927, 45854, 91607, 114635, 183214, 205889, 229270, 411778, 458035, 916070, 1029445, 2058890, 20794789, 41589578, 103973945, 207947890]

約数ペア:

[(1, 207947890), (2, 103973945), (5, 41589578), (10, 20794789), (101, 2058890), (202, 1029445), (227, 916070), (454, 458035), (505, 411778), (907, 229270), (1010, 205889), (1135, 183214), (1814, 114635), (2270, 91607), (4535, 45854), (9070, 22927)]