879890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 1823040

約数和(自身を除く): 943150

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 421, 842, 1045, 2090, 2105, 4210, 4631, 7999, 9262, 15998, 23155, 39995, 46310, 79990, 87989, 175978, 439945, 879890]

約数ペア:

[(1, 879890), (2, 439945), (5, 175978), (10, 87989), (11, 79990), (19, 46310), (22, 39995), (38, 23155), (55, 15998), (95, 9262), (110, 7999), (190, 4631), (209, 4210), (418, 2105), (421, 2090), (842, 1045)]