438851930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{209977}}^1$

素因数の和:210014

約数の個数: 32

約数和(自身を含む): 907104960

約数和(自身を除く): 468253030

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 209977, 419954, 1049885, 2099770, 2309747, 3989563, 4619494, 7979126, 11548735, 19947815, 23097470, 39895630, 43885193, 87770386, 219425965, 438851930]

約数ペア:

[(1, 438851930), (2, 219425965), (5, 87770386), (10, 43885193), (11, 39895630), (19, 23097470), (22, 19947815), (38, 11548735), (55, 7979126), (95, 4619494), (110, 3989563), (190, 2309747), (209, 2099770), (418, 1049885), (1045, 419954), (2090, 209977)]