207710840

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{14879}}^1$

素因数の和:15239

約数の個数: 32

約数和(自身を含む): 468720000

約数和(自身を除く): 261009160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6980, 13960, 14879, 29758, 59516, 74395, 119032, 148790, 297580, 595160, 5192771, 10385542, 20771084, 25963855, 41542168, 51927710, 103855420, 207710840]

約数ペア:

[(1, 207710840), (2, 103855420), (4, 51927710), (5, 41542168), (8, 25963855), (10, 20771084), (20, 10385542), (40, 5192771), (349, 595160), (698, 297580), (1396, 148790), (1745, 119032), (2792, 74395), (3490, 59516), (6980, 29758), (13960, 14879)]