13788460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 33364800

約数和(自身を除く): 19576340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 661, 745, 1043, 1322, 1490, 2086, 2644, 2980, 3305, 4172, 4627, 5215, 6610, 9254, 10430, 13220, 18508, 20860, 23135, 46270, 92540, 98489, 196978, 393956, 492445, 689423, 984890, 1378846, 1969780, 2757692, 3447115, 6894230, 13788460]

約数ペア:

[(1, 13788460), (2, 6894230), (4, 3447115), (5, 2757692), (7, 1969780), (10, 1378846), (14, 984890), (20, 689423), (28, 492445), (35, 393956), (70, 196978), (140, 98489), (149, 92540), (298, 46270), (596, 23135), (661, 20860), (745, 18508), (1043, 13220), (1322, 10430), (1490, 9254), (2086, 6610), (2644, 5215), (2980, 4627), (3305, 4172)]