1900201870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{39979}}^1$

素因数の和:40097

約数の個数: 48

約数和(自身を含む): 4019909040

約数和(自身を除く): 2119707170

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 97, 98, 194, 245, 485, 490, 679, 970, 1358, 3395, 4753, 6790, 9506, 23765, 39979, 47530, 79958, 199895, 279853, 399790, 559706, 1399265, 1958971, 2798530, 3877963, 3917942, 7755926, 9794855, 19389815, 19589710, 27145741, 38779630, 54291482, 135728705, 190020187, 271457410, 380040374, 950100935, 1900201870]

約数ペア:

[(1, 1900201870), (2, 950100935), (5, 380040374), (7, 271457410), (10, 190020187), (14, 135728705), (35, 54291482), (49, 38779630), (70, 27145741), (97, 19589710), (98, 19389815), (194, 9794855), (245, 7755926), (485, 3917942), (490, 3877963), (679, 2798530), (970, 1958971), (1358, 1399265), (3395, 559706), (4753, 399790), (6790, 279853), (9506, 199895), (23765, 79958), (39979, 47530)]