213549680

素因数分解:

$2^4\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{2377}}^1$

素因数の和:3513

約数の個数: 40

約数和(自身を含む): 497154192

約数和(自身を除く): 283604512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1123, 2246, 2377, 4492, 4754, 5615, 8984, 9508, 11230, 11885, 17968, 19016, 22460, 23770, 38032, 44920, 47540, 89840, 95080, 190160, 2669371, 5338742, 10677484, 13346855, 21354968, 26693710, 42709936, 53387420, 106774840, 213549680]

約数ペア:

[(1, 213549680), (2, 106774840), (4, 53387420), (5, 42709936), (8, 26693710), (10, 21354968), (16, 13346855), (20, 10677484), (40, 5338742), (80, 2669371), (1123, 190160), (2246, 95080), (2377, 89840), (4492, 47540), (4754, 44920), (5615, 38032), (8984, 23770), (9508, 22460), (11230, 19016), (11885, 17968)]