213882620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{80407}}^1$

素因数の和:80442

約数の個数: 48

約数和(自身を含む): 540341760

約数和(自身を除く): 326459140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 80407, 160814, 321628, 402035, 562849, 804070, 1125698, 1527733, 1608140, 2251396, 2814245, 3055466, 5628490, 6110932, 7638665, 10694131, 11256980, 15277330, 21388262, 30554660, 42776524, 53470655, 106941310, 213882620]

約数ペア:

[(1, 213882620), (2, 106941310), (4, 53470655), (5, 42776524), (7, 30554660), (10, 21388262), (14, 15277330), (19, 11256980), (20, 10694131), (28, 7638665), (35, 6110932), (38, 5628490), (70, 3055466), (76, 2814245), (95, 2251396), (133, 1608140), (140, 1527733), (190, 1125698), (266, 804070), (380, 562849), (532, 402035), (665, 321628), (1330, 160814), (2660, 80407)]