123684890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{7393}}^1$

素因数の和:7646

約数の個数: 32

約数和(自身を含む): 255536640

約数和(自身を除く): 131851750

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1195, 1673, 2390, 3346, 7393, 8365, 14786, 16730, 36965, 51751, 73930, 103502, 258755, 517510, 1766927, 3533854, 8834635, 12368489, 17669270, 24736978, 61842445, 123684890]

約数ペア:

[(1, 123684890), (2, 61842445), (5, 24736978), (7, 17669270), (10, 12368489), (14, 8834635), (35, 3533854), (70, 1766927), (239, 517510), (478, 258755), (1195, 103502), (1673, 73930), (2390, 51751), (3346, 36965), (7393, 16730), (8365, 14786)]