79827860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{81457}}^1$

素因数の和:81480

約数の個数: 36

約数和(自身を含む): 195010452

約数和(自身を除く): 115182592

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 81457, 162914, 325828, 407285, 570199, 814570, 1140398, 1629140, 2280796, 2850995, 3991393, 5701990, 7982786, 11403980, 15965572, 19956965, 39913930, 79827860]

約数ペア:

[(1, 79827860), (2, 39913930), (4, 19956965), (5, 15965572), (7, 11403980), (10, 7982786), (14, 5701990), (20, 3991393), (28, 2850995), (35, 2280796), (49, 1629140), (70, 1140398), (98, 814570), (140, 570199), (196, 407285), (245, 325828), (490, 162914), (980, 81457)]