87874780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{919}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 211438080

約数和(自身を除く): 123563300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 683, 919, 1366, 1838, 2732, 3415, 3676, 4595, 4781, 6433, 6830, 9190, 9562, 12866, 13660, 18380, 19124, 23905, 25732, 32165, 47810, 64330, 95620, 128660, 627677, 1255354, 2510708, 3138385, 4393739, 6276770, 8787478, 12553540, 17574956, 21968695, 43937390, 87874780]

約数ペア:

[(1, 87874780), (2, 43937390), (4, 21968695), (5, 17574956), (7, 12553540), (10, 8787478), (14, 6276770), (20, 4393739), (28, 3138385), (35, 2510708), (70, 1255354), (140, 627677), (683, 128660), (919, 95620), (1366, 64330), (1838, 47810), (2732, 32165), (3415, 25732), (3676, 23905), (4595, 19124), (4781, 18380), (6433, 13660), (6830, 12866), (9190, 9562)]