68761420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37781}}^1$

素因数の和:37810

約数の個数: 48

約数和(自身を含む): 177726528

約数和(自身を除く): 108965108

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 37781, 75562, 151124, 188905, 264467, 377810, 491153, 528934, 755620, 982306, 1057868, 1322335, 1964612, 2455765, 2644670, 3438071, 4911530, 5289340, 6876142, 9823060, 13752284, 17190355, 34380710, 68761420]

約数ペア:

[(1, 68761420), (2, 34380710), (4, 17190355), (5, 13752284), (7, 9823060), (10, 6876142), (13, 5289340), (14, 4911530), (20, 3438071), (26, 2644670), (28, 2455765), (35, 1964612), (52, 1322335), (65, 1057868), (70, 982306), (91, 755620), (130, 528934), (140, 491153), (182, 377810), (260, 264467), (364, 188905), (455, 151124), (910, 75562), (1820, 37781)]