138930800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{20431}}^1$

素因数の和:20466

約数の個数: 60

約数和(自身を含む): 353432736

約数和(自身を除く): 214501936

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 6800, 20431, 40862, 81724, 102155, 163448, 204310, 326896, 347327, 408620, 510775, 694654, 817240, 1021550, 1389308, 1634480, 1736635, 2043100, 2778616, 3473270, 4086200, 5557232, 6946540, 8172400, 8683175, 13893080, 17366350, 27786160, 34732700, 69465400, 138930800]

約数ペア:

[(1, 138930800), (2, 69465400), (4, 34732700), (5, 27786160), (8, 17366350), (10, 13893080), (16, 8683175), (17, 8172400), (20, 6946540), (25, 5557232), (34, 4086200), (40, 3473270), (50, 2778616), (68, 2043100), (80, 1736635), (85, 1634480), (100, 1389308), (136, 1021550), (170, 817240), (200, 694654), (272, 510775), (340, 408620), (400, 347327), (425, 326896), (680, 204310), (850, 163448), (1360, 102155), (1700, 81724), (3400, 40862), (6800, 20431)]