77891380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79481}}^1$

素因数の和:79504

約数の個数: 36

約数和(自身を含む): 190279908

約数和(自身を除く): 112388528

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 79481, 158962, 317924, 397405, 556367, 794810, 1112734, 1589620, 2225468, 2781835, 3894569, 5563670, 7789138, 11127340, 15578276, 19472845, 38945690, 77891380]

約数ペア:

[(1, 77891380), (2, 38945690), (4, 19472845), (5, 15578276), (7, 11127340), (10, 7789138), (14, 5563670), (20, 3894569), (28, 2781835), (35, 2225468), (49, 1589620), (70, 1112734), (98, 794810), (140, 556367), (196, 397405), (245, 317924), (490, 158962), (980, 79481)]