268506380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{1093}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 575636544

約数和(自身を除く): 307130164

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 173, 284, 346, 355, 692, 710, 865, 1093, 1420, 1730, 2186, 3460, 4372, 5465, 10930, 12283, 21860, 24566, 49132, 61415, 77603, 122830, 155206, 189089, 245660, 310412, 378178, 388015, 756356, 776030, 945445, 1552060, 1890890, 3781780, 13425319, 26850638, 53701276, 67126595, 134253190, 268506380]

約数ペア:

[(1, 268506380), (2, 134253190), (4, 67126595), (5, 53701276), (10, 26850638), (20, 13425319), (71, 3781780), (142, 1890890), (173, 1552060), (284, 945445), (346, 776030), (355, 756356), (692, 388015), (710, 378178), (865, 310412), (1093, 245660), (1420, 189089), (1730, 155206), (2186, 122830), (3460, 77603), (4372, 61415), (5465, 49132), (10930, 24566), (12283, 21860)]