78272530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15749}}^1$

素因数の和:15834

約数の個数: 32

約数和(自身を含む): 163296000

約数和(自身を除く): 85023470

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 15749, 31498, 78745, 110243, 157490, 220486, 551215, 1102430, 1118179, 2236358, 5590895, 7827253, 11181790, 15654506, 39136265, 78272530]

約数ペア:

[(1, 78272530), (2, 39136265), (5, 15654506), (7, 11181790), (10, 7827253), (14, 5590895), (35, 2236358), (70, 1118179), (71, 1102430), (142, 551215), (355, 220486), (497, 157490), (710, 110243), (994, 78745), (2485, 31498), (4970, 15749)]