404000380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{5783}}^1$

素因数の和:6298

約数の個数: 48

約数和(自身を含む): 971712000

約数和(自身を除く): 567711620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 998, 1996, 2495, 3493, 4990, 5783, 6986, 9980, 11566, 13972, 17465, 23132, 28915, 34930, 40481, 57830, 69860, 80962, 115660, 161924, 202405, 404810, 809620, 2885717, 5771434, 11542868, 14428585, 20200019, 28857170, 40400038, 57714340, 80800076, 101000095, 202000190, 404000380]

約数ペア:

[(1, 404000380), (2, 202000190), (4, 101000095), (5, 80800076), (7, 57714340), (10, 40400038), (14, 28857170), (20, 20200019), (28, 14428585), (35, 11542868), (70, 5771434), (140, 2885717), (499, 809620), (998, 404810), (1996, 202405), (2495, 161924), (3493, 115660), (4990, 80962), (5783, 69860), (6986, 57830), (9980, 40481), (11566, 34930), (13972, 28915), (17465, 23132)]