90664700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{18503}}^1$

素因数の和:18531

約数の個数: 54

約数和(自身を含む): 228875976

約数和(自身を除く): 138211276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 18503, 37006, 74012, 92515, 129521, 185030, 259042, 370060, 462575, 518084, 647605, 906647, 925150, 1295210, 1813294, 1850300, 2590420, 3238025, 3626588, 4533235, 6476050, 9066470, 12952100, 18132940, 22666175, 45332350, 90664700]

約数ペア:

[(1, 90664700), (2, 45332350), (4, 22666175), (5, 18132940), (7, 12952100), (10, 9066470), (14, 6476050), (20, 4533235), (25, 3626588), (28, 3238025), (35, 2590420), (49, 1850300), (50, 1813294), (70, 1295210), (98, 925150), (100, 906647), (140, 647605), (175, 518084), (196, 462575), (245, 370060), (350, 259042), (490, 185030), (700, 129521), (980, 92515), (1225, 74012), (2450, 37006), (4900, 18503)]