71670410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{2579}}^1$

素因数の和:2990

約数の個数: 32

約数和(自身を含む): 147864960

約数和(自身を除く): 76194550

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 794, 1985, 2579, 2779, 3970, 5158, 5558, 12895, 13895, 18053, 25790, 27790, 36106, 90265, 180530, 1023863, 2047726, 5119315, 7167041, 10238630, 14334082, 35835205, 71670410]

約数ペア:

[(1, 71670410), (2, 35835205), (5, 14334082), (7, 10238630), (10, 7167041), (14, 5119315), (35, 2047726), (70, 1023863), (397, 180530), (794, 90265), (1985, 36106), (2579, 27790), (2779, 25790), (3970, 18053), (5158, 13895), (5558, 12895)]