31509965660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{997}}^1\times {\mathrm{1879}}^1$

素因数の和:2943

約数の個数: 72

約数和(自身を含む): 68636611680

約数和(自身を除く): 37126646020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 997, 1682, 1879, 1994, 3364, 3758, 3988, 4205, 4985, 7516, 8410, 9395, 9970, 16820, 18790, 19940, 28913, 37580, 54491, 57826, 108982, 115652, 144565, 217964, 272455, 289130, 544910, 578260, 838477, 1089820, 1580239, 1676954, 1873363, 3160478, 3353908, 3746726, 4192385, 6320956, 7493452, 7901195, 8384770, 9366815, 15802390, 16769540, 18733630, 31604780, 37467260, 54327527, 108655054, 217310108, 271637635, 543275270, 1086550540, 1575498283, 3150996566, 6301993132, 7877491415, 15754982830, 31509965660]

約数ペア:

[(1, 31509965660), (2, 15754982830), (4, 7877491415), (5, 6301993132), (10, 3150996566), (20, 1575498283), (29, 1086550540), (58, 543275270), (116, 271637635), (145, 217310108), (290, 108655054), (580, 54327527), (841, 37467260), (997, 31604780), (1682, 18733630), (1879, 16769540), (1994, 15802390), (3364, 9366815), (3758, 8384770), (3988, 7901195), (4205, 7493452), (4985, 6320956), (7516, 4192385), (8410, 3746726), (9395, 3353908), (9970, 3160478), (16820, 1873363), (18790, 1676954), (19940, 1580239), (28913, 1089820), (37580, 838477), (54491, 578260), (57826, 544910), (108982, 289130), (115652, 272455), (144565, 217964)]