201965960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{721307}}^1$

素因数の和:721325

約数の個数: 32

約数和(自身を含む): 519341760

約数和(自身を除く): 317375800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 721307, 1442614, 2885228, 3606535, 5049149, 5770456, 7213070, 10098298, 14426140, 20196596, 25245745, 28852280, 40393192, 50491490, 100982980, 201965960]

約数ペア:

[(1, 201965960), (2, 100982980), (4, 50491490), (5, 40393192), (7, 28852280), (8, 25245745), (10, 20196596), (14, 14426140), (20, 10098298), (28, 7213070), (35, 5770456), (40, 5049149), (56, 3606535), (70, 2885228), (140, 1442614), (280, 721307)]