77315980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{2053}}^1$

素因数の和:2338

約数の個数: 48

約数和(自身を含む): 186338880

約数和(自身を除く): 109022900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 269, 538, 1076, 1345, 1883, 2053, 2690, 3766, 4106, 5380, 7532, 8212, 9415, 10265, 14371, 18830, 20530, 28742, 37660, 41060, 57484, 71855, 143710, 287420, 552257, 1104514, 2209028, 2761285, 3865799, 5522570, 7731598, 11045140, 15463196, 19328995, 38657990, 77315980]

約数ペア:

[(1, 77315980), (2, 38657990), (4, 19328995), (5, 15463196), (7, 11045140), (10, 7731598), (14, 5522570), (20, 3865799), (28, 2761285), (35, 2209028), (70, 1104514), (140, 552257), (269, 287420), (538, 143710), (1076, 71855), (1345, 57484), (1883, 41060), (2053, 37660), (2690, 28742), (3766, 20530), (4106, 18830), (5380, 14371), (7532, 10265), (8212, 9415)]