1387083460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{919}}^1\times {\mathrm{10781}}^1$

素因数の和:11716

約数の個数: 48

約数和(自身を含む): 3332931840

約数和(自身を除く): 1945848380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 919, 1838, 3676, 4595, 6433, 9190, 10781, 12866, 18380, 21562, 25732, 32165, 43124, 53905, 64330, 75467, 107810, 128660, 150934, 215620, 301868, 377335, 754670, 1509340, 9907739, 19815478, 39630956, 49538695, 69354173, 99077390, 138708346, 198154780, 277416692, 346770865, 693541730, 1387083460]

約数ペア:

[(1, 1387083460), (2, 693541730), (4, 346770865), (5, 277416692), (7, 198154780), (10, 138708346), (14, 99077390), (20, 69354173), (28, 49538695), (35, 39630956), (70, 19815478), (140, 9907739), (919, 1509340), (1838, 754670), (3676, 377335), (4595, 301868), (6433, 215620), (9190, 150934), (10781, 128660), (12866, 107810), (18380, 75467), (21562, 64330), (25732, 53905), (32165, 43124)]