90121940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{237163}}^1$

素因数の和:237191

約数の個数: 24

約数和(自身を含む): 199217760

約数和(自身を除く): 109095820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 237163, 474326, 948652, 1185815, 2371630, 4506097, 4743260, 9012194, 18024388, 22530485, 45060970, 90121940]

約数ペア:

[(1, 90121940), (2, 45060970), (4, 22530485), (5, 18024388), (10, 9012194), (19, 4743260), (20, 4506097), (38, 2371630), (76, 1185815), (95, 948652), (190, 474326), (380, 237163)]