1891450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 4062240

約数和(自身を除く): 2170790

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 181, 190, 209, 275, 362, 418, 475, 550, 905, 950, 1045, 1810, 1991, 2090, 3439, 3982, 4525, 5225, 6878, 9050, 9955, 10450, 17195, 19910, 34390, 37829, 49775, 75658, 85975, 99550, 171950, 189145, 378290, 945725, 1891450]

約数ペア:

[(1, 1891450), (2, 945725), (5, 378290), (10, 189145), (11, 171950), (19, 99550), (22, 85975), (25, 75658), (38, 49775), (50, 37829), (55, 34390), (95, 19910), (110, 17195), (181, 10450), (190, 9955), (209, 9050), (275, 6878), (362, 5225), (418, 4525), (475, 3982), (550, 3439), (905, 2090), (950, 1991), (1045, 1810)]