199725280

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{9829}}^1$

素因数の和:9971

約数の個数: 48

約数和(自身を含む): 475614720

約数和(自身を除く): 275889440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 9829, 10160, 19658, 20320, 39316, 49145, 78632, 98290, 157264, 196580, 314528, 393160, 786320, 1248283, 1572640, 2496566, 4993132, 6241415, 9986264, 12482830, 19972528, 24965660, 39945056, 49931320, 99862640, 199725280]

約数ペア:

[(1, 199725280), (2, 99862640), (4, 49931320), (5, 39945056), (8, 24965660), (10, 19972528), (16, 12482830), (20, 9986264), (32, 6241415), (40, 4993132), (80, 2496566), (127, 1572640), (160, 1248283), (254, 786320), (508, 393160), (635, 314528), (1016, 196580), (1270, 157264), (2032, 98290), (2540, 78632), (4064, 49145), (5080, 39316), (9829, 20320), (10160, 19658)]