1718980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1409}}^1$

素因数の和:1479

約数の個数: 24

約数和(自身を含む): 3671640

約数和(自身を除く): 1952660

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1409, 2818, 5636, 7045, 14090, 28180, 85949, 171898, 343796, 429745, 859490, 1718980]

約数ペア:

[(1, 1718980), (2, 859490), (4, 429745), (5, 343796), (10, 171898), (20, 85949), (61, 28180), (122, 14090), (244, 7045), (305, 5636), (610, 2818), (1220, 1409)]