209348940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1531}}^1$

素因数の和:1639

約数の個数: 96

約数和(自身を含む): 611525376

約数和(自身を除く): 402176436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 53, 60, 86, 106, 129, 159, 172, 212, 215, 258, 265, 318, 430, 516, 530, 636, 645, 795, 860, 1060, 1290, 1531, 1590, 2279, 2580, 3062, 3180, 4558, 4593, 6124, 6837, 7655, 9116, 9186, 11395, 13674, 15310, 18372, 22790, 22965, 27348, 30620, 34185, 45580, 45930, 65833, 68370, 81143, 91860, 131666, 136740, 162286, 197499, 243429, 263332, 324572, 329165, 394998, 405715, 486858, 658330, 789996, 811430, 973716, 987495, 1217145, 1316660, 1622860, 1974990, 2434290, 3489149, 3949980, 4868580, 6978298, 10467447, 13956596, 17445745, 20934894, 34891490, 41869788, 52337235, 69782980, 104674470, 209348940]

約数ペア:

[(1, 209348940), (2, 104674470), (3, 69782980), (4, 52337235), (5, 41869788), (6, 34891490), (10, 20934894), (12, 17445745), (15, 13956596), (20, 10467447), (30, 6978298), (43, 4868580), (53, 3949980), (60, 3489149), (86, 2434290), (106, 1974990), (129, 1622860), (159, 1316660), (172, 1217145), (212, 987495), (215, 973716), (258, 811430), (265, 789996), (318, 658330), (430, 486858), (516, 405715), (530, 394998), (636, 329165), (645, 324572), (795, 263332), (860, 243429), (1060, 197499), (1290, 162286), (1531, 136740), (1590, 131666), (2279, 91860), (2580, 81143), (3062, 68370), (3180, 65833), (4558, 45930), (4593, 45580), (6124, 34185), (6837, 30620), (7655, 27348), (9116, 22965), (9186, 22790), (11395, 18372), (13674, 15310)]