9921400

素因数分解:

$2^3\times 5^2\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 23324400

約数和(自身を除く): 13403000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 200, 226, 439, 452, 565, 878, 904, 1130, 1756, 2195, 2260, 2825, 3512, 4390, 4520, 5650, 8780, 10975, 11300, 17560, 21950, 22600, 43900, 49607, 87800, 99214, 198428, 248035, 396856, 496070, 992140, 1240175, 1984280, 2480350, 4960700, 9921400]

約数ペア:

[(1, 9921400), (2, 4960700), (4, 2480350), (5, 1984280), (8, 1240175), (10, 992140), (20, 496070), (25, 396856), (40, 248035), (50, 198428), (100, 99214), (113, 87800), (200, 49607), (226, 43900), (439, 22600), (452, 21950), (565, 17560), (878, 11300), (904, 10975), (1130, 8780), (1756, 5650), (2195, 4520), (2260, 4390), (2825, 3512)]