27887720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 72334080

約数和(自身を除く): 44446360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 548, 685, 727, 959, 1096, 1370, 1454, 1918, 2740, 2908, 3635, 3836, 4795, 5089, 5480, 5816, 7270, 7672, 9590, 10178, 14540, 19180, 20356, 25445, 29080, 38360, 40712, 50890, 99599, 101780, 199198, 203560, 398396, 497995, 697193, 796792, 995990, 1394386, 1991980, 2788772, 3485965, 3983960, 5577544, 6971930, 13943860, 27887720]

約数ペア:

[(1, 27887720), (2, 13943860), (4, 6971930), (5, 5577544), (7, 3983960), (8, 3485965), (10, 2788772), (14, 1991980), (20, 1394386), (28, 995990), (35, 796792), (40, 697193), (56, 497995), (70, 398396), (137, 203560), (140, 199198), (274, 101780), (280, 99599), (548, 50890), (685, 40712), (727, 38360), (959, 29080), (1096, 25445), (1370, 20356), (1454, 19180), (1918, 14540), (2740, 10178), (2908, 9590), (3635, 7672), (3836, 7270), (4795, 5816), (5089, 5480)]