90289400

素因数分解:

$2^3\times 5^2\times {\mathrm{347}}^1\times {\mathrm{1301}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 210689640

約数和(自身を除く): 120400240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 347, 694, 1301, 1388, 1735, 2602, 2776, 3470, 5204, 6505, 6940, 8675, 10408, 13010, 13880, 17350, 26020, 32525, 34700, 52040, 65050, 69400, 130100, 260200, 451447, 902894, 1805788, 2257235, 3611576, 4514470, 9028940, 11286175, 18057880, 22572350, 45144700, 90289400]

約数ペア:

[(1, 90289400), (2, 45144700), (4, 22572350), (5, 18057880), (8, 11286175), (10, 9028940), (20, 4514470), (25, 3611576), (40, 2257235), (50, 1805788), (100, 902894), (200, 451447), (347, 260200), (694, 130100), (1301, 69400), (1388, 65050), (1735, 52040), (2602, 34700), (2776, 32525), (3470, 26020), (5204, 17350), (6505, 13880), (6940, 13010), (8675, 10408)]