71064980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{507607}}^1$

素因数の和:507623

約数の個数: 24

約数和(自身を含む): 170556288

約数和(自身を除く): 99491308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 507607, 1015214, 2030428, 2538035, 3553249, 5076070, 7106498, 10152140, 14212996, 17766245, 35532490, 71064980]

約数ペア:

[(1, 71064980), (2, 35532490), (4, 17766245), (5, 14212996), (7, 10152140), (10, 7106498), (14, 5076070), (20, 3553249), (28, 2538035), (35, 2030428), (70, 1015214), (140, 507607)]