31368260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20369}}^1$

素因数の和:20396

約数の個数: 48

約数和(自身を含む): 82131840

約数和(自身を除く): 50763580

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 20369, 40738, 81476, 101845, 142583, 203690, 224059, 285166, 407380, 448118, 570332, 712915, 896236, 1120295, 1425830, 1568413, 2240590, 2851660, 3136826, 4481180, 6273652, 7842065, 15684130, 31368260]

約数ペア:

[(1, 31368260), (2, 15684130), (4, 7842065), (5, 6273652), (7, 4481180), (10, 3136826), (11, 2851660), (14, 2240590), (20, 1568413), (22, 1425830), (28, 1120295), (35, 896236), (44, 712915), (55, 570332), (70, 448118), (77, 407380), (110, 285166), (140, 224059), (154, 203690), (220, 142583), (308, 101845), (385, 81476), (770, 40738), (1540, 20369)]