149702980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1069307}}^1$

素因数の和:1069323

約数の個数: 24

約数和(自身を含む): 359287488

約数和(自身を除く): 209584508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1069307, 2138614, 4277228, 5346535, 7485149, 10693070, 14970298, 21386140, 29940596, 37425745, 74851490, 149702980]

約数ペア:

[(1, 149702980), (2, 74851490), (4, 37425745), (5, 29940596), (7, 21386140), (10, 14970298), (14, 10693070), (20, 7485149), (28, 5346535), (35, 4277228), (70, 2138614), (140, 1069307)]