12287240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6269}}^1$

素因数の和:6294

約数の個数: 48

約数和(自身を含む): 32165100

約数和(自身を除く): 19877860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6269, 12538, 25076, 31345, 43883, 50152, 62690, 87766, 125380, 175532, 219415, 250760, 307181, 351064, 438830, 614362, 877660, 1228724, 1535905, 1755320, 2457448, 3071810, 6143620, 12287240]

約数ペア:

[(1, 12287240), (2, 6143620), (4, 3071810), (5, 2457448), (7, 1755320), (8, 1535905), (10, 1228724), (14, 877660), (20, 614362), (28, 438830), (35, 351064), (40, 307181), (49, 250760), (56, 219415), (70, 175532), (98, 125380), (140, 87766), (196, 62690), (245, 50152), (280, 43883), (392, 31345), (490, 25076), (980, 12538), (1960, 6269)]