396021920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{50513}}^1$

素因数の和:50542

約数の個数: 72

約数和(自身を含む): 1088374644

約数和(自身を除く): 692352724

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 50513, 101026, 202052, 252565, 353591, 404104, 505130, 707182, 808208, 1010260, 1414364, 1616416, 1767955, 2020520, 2475137, 2828728, 3535910, 4041040, 4950274, 5657456, 7071820, 8082080, 9900548, 11314912, 12375685, 14143640, 19801096, 24751370, 28287280, 39602192, 49502740, 56574560, 79204384, 99005480, 198010960, 396021920]

約数ペア:

[(1, 396021920), (2, 198010960), (4, 99005480), (5, 79204384), (7, 56574560), (8, 49502740), (10, 39602192), (14, 28287280), (16, 24751370), (20, 19801096), (28, 14143640), (32, 12375685), (35, 11314912), (40, 9900548), (49, 8082080), (56, 7071820), (70, 5657456), (80, 4950274), (98, 4041040), (112, 3535910), (140, 2828728), (160, 2475137), (196, 2020520), (224, 1767955), (245, 1616416), (280, 1414364), (392, 1010260), (490, 808208), (560, 707182), (784, 505130), (980, 404104), (1120, 353591), (1568, 252565), (1960, 202052), (3920, 101026), (7840, 50513)]