249947480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{152407}}^1$

素因数の和:152459

約数の個数: 32

約数和(自身を含む): 576102240

約数和(自身を除く): 326154760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 152407, 304814, 609628, 762035, 1219256, 1524070, 3048140, 6096280, 6248687, 12497374, 24994748, 31243435, 49989496, 62486870, 124973740, 249947480]

約数ペア:

[(1, 249947480), (2, 124973740), (4, 62486870), (5, 49989496), (8, 31243435), (10, 24994748), (20, 12497374), (40, 6248687), (41, 6096280), (82, 3048140), (164, 1524070), (205, 1219256), (328, 762035), (410, 609628), (820, 304814), (1640, 152407)]