208687960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{30871}}^1$

素因数の和:30908

約数の個数: 48

約数和(自身を含む): 508461840

約数和(自身を除く): 299773880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 30871, 61742, 123484, 154355, 246968, 308710, 401323, 617420, 802646, 1234840, 1605292, 2006615, 3210584, 4013230, 5217199, 8026460, 10434398, 16052920, 20868796, 26085995, 41737592, 52171990, 104343980, 208687960]

約数ペア:

[(1, 208687960), (2, 104343980), (4, 52171990), (5, 41737592), (8, 26085995), (10, 20868796), (13, 16052920), (20, 10434398), (26, 8026460), (40, 5217199), (52, 4013230), (65, 3210584), (104, 2006615), (130, 1605292), (169, 1234840), (260, 802646), (338, 617420), (520, 401323), (676, 308710), (845, 246968), (1352, 154355), (1690, 123484), (3380, 61742), (6760, 30871)]