74399780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{40879}}^1$

素因数の和:40908

約数の個数: 48

約数和(自身を含む): 192299520

約数和(自身を除く): 117899740

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, 40879, 81758, 163516, 204395, 286153, 408790, 531427, 572306, 817580, 1062854, 1144612, 1430765, 2125708, 2657135, 2861530, 3719989, 5314270, 5723060, 7439978, 10628540, 14879956, 18599945, 37199890, 74399780]

約数ペア:

[(1, 74399780), (2, 37199890), (4, 18599945), (5, 14879956), (7, 10628540), (10, 7439978), (13, 5723060), (14, 5314270), (20, 3719989), (26, 2861530), (28, 2657135), (35, 2125708), (52, 1430765), (65, 1144612), (70, 1062854), (91, 817580), (130, 572306), (140, 531427), (182, 408790), (260, 286153), (364, 204395), (455, 163516), (910, 81758), (1820, 40879)]