178922940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{426007}}^1$

素因数の和:426026

約数の個数: 48

約数和(自身を含む): 572554752

約数和(自身を除く): 393631812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 426007, 852014, 1278021, 1704028, 2130035, 2556042, 2982049, 4260070, 5112084, 5964098, 6390105, 8520140, 8946147, 11928196, 12780210, 14910245, 17892294, 25560420, 29820490, 35784588, 44730735, 59640980, 89461470, 178922940]

約数ペア:

[(1, 178922940), (2, 89461470), (3, 59640980), (4, 44730735), (5, 35784588), (6, 29820490), (7, 25560420), (10, 17892294), (12, 14910245), (14, 12780210), (15, 11928196), (20, 8946147), (21, 8520140), (28, 6390105), (30, 5964098), (35, 5112084), (42, 4260070), (60, 2982049), (70, 2556042), (84, 2130035), (105, 1704028), (140, 1278021), (210, 852014), (420, 426007)]