220180730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{285949}}^1$

素因数の和:285974

約数の個数: 32

約数和(自身を含む): 494121600

約数和(自身を除く): 273940870

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 285949, 571898, 1429745, 2001643, 2859490, 3145439, 4003286, 6290878, 10008215, 15727195, 20016430, 22018073, 31454390, 44036146, 110090365, 220180730]

約数ペア:

[(1, 220180730), (2, 110090365), (5, 44036146), (7, 31454390), (10, 22018073), (11, 20016430), (14, 15727195), (22, 10008215), (35, 6290878), (55, 4003286), (70, 3145439), (77, 2859490), (110, 2001643), (154, 1429745), (385, 571898), (770, 285949)]