201843740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{205963}}^1$

素因数の和:205986

約数の個数: 36

約数和(自身を含む): 493077816

約数和(自身を除く): 291234076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 205963, 411926, 823852, 1029815, 1441741, 2059630, 2883482, 4119260, 5766964, 7208705, 10092187, 14417410, 20184374, 28834820, 40368748, 50460935, 100921870, 201843740]

約数ペア:

[(1, 201843740), (2, 100921870), (4, 50460935), (5, 40368748), (7, 28834820), (10, 20184374), (14, 14417410), (20, 10092187), (28, 7208705), (35, 5766964), (49, 4119260), (70, 2883482), (98, 2059630), (140, 1441741), (196, 1029815), (245, 823852), (490, 411926), (980, 205963)]