256975910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{88919}}^1$

素因数の和:88960

約数の個数: 24

約数和(自身を含む): 491371920

約数和(自身を除く): 234396010

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 88919, 177838, 444595, 889190, 1511623, 3023246, 7558115, 15116230, 25697591, 51395182, 128487955, 256975910]

約数ペア:

[(1, 256975910), (2, 128487955), (5, 51395182), (10, 25697591), (17, 15116230), (34, 7558115), (85, 3023246), (170, 1511623), (289, 889190), (578, 444595), (1445, 177838), (2890, 88919)]