490998725

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1050

約数の個数: 48

約数和(自身を含む): 722810880

約数和(自身を除く): 231812155

約数列:

[1, 5, 7, 25, 35, 43, 71, 175, 215, 301, 355, 497, 919, 1075, 1505, 1775, 2485, 3053, 4595, 6433, 7525, 12425, 15265, 21371, 22975, 32165, 39517, 65249, 76325, 106855, 160825, 197585, 276619, 326245, 456743, 534275, 987925, 1383095, 1631225, 2283715, 2805707, 6915475, 11418575, 14028535, 19639949, 70142675, 98199745, 490998725]

約数ペア:

[(1, 490998725), (5, 98199745), (7, 70142675), (25, 19639949), (35, 14028535), (43, 11418575), (71, 6915475), (175, 2805707), (215, 2283715), (301, 1631225), (355, 1383095), (497, 987925), (919, 534275), (1075, 456743), (1505, 326245), (1775, 276619), (2485, 197585), (3053, 160825), (4595, 106855), (6433, 76325), (7525, 65249), (12425, 39517), (15265, 32165), (21371, 22975)]