190321880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{97103}}^1$

素因数の和:97128

約数の個数: 48

約数和(自身を含む): 498143520

約数和(自身を除く): 307821640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 97103, 194206, 388412, 485515, 679721, 776824, 971030, 1359442, 1942060, 2718884, 3398605, 3884120, 4758047, 5437768, 6797210, 9516094, 13594420, 19032188, 23790235, 27188840, 38064376, 47580470, 95160940, 190321880]

約数ペア:

[(1, 190321880), (2, 95160940), (4, 47580470), (5, 38064376), (7, 27188840), (8, 23790235), (10, 19032188), (14, 13594420), (20, 9516094), (28, 6797210), (35, 5437768), (40, 4758047), (49, 3884120), (56, 3398605), (70, 2718884), (98, 1942060), (140, 1359442), (196, 971030), (245, 776824), (280, 679721), (392, 485515), (490, 388412), (980, 194206), (1960, 97103)]