251880340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{662843}}^1$

素因数の和:662871

約数の個数: 24

約数和(自身を含む): 556788960

約数和(自身を除く): 304908620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 662843, 1325686, 2651372, 3314215, 6628430, 12594017, 13256860, 25188034, 50376068, 62970085, 125940170, 251880340]

約数ペア:

[(1, 251880340), (2, 125940170), (4, 62970085), (5, 50376068), (10, 25188034), (19, 13256860), (20, 12594017), (38, 6628430), (76, 3314215), (95, 2651372), (190, 1325686), (380, 662843)]