394012640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{351797}}^1$

素因数の和:351819

約数の個数: 48

約数和(自身を含む): 1063837152

約数和(自身を除く): 669824512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 351797, 703594, 1407188, 1758985, 2462579, 2814376, 3517970, 4925158, 5628752, 7035940, 9850316, 11257504, 12312895, 14071880, 19700632, 24625790, 28143760, 39401264, 49251580, 56287520, 78802528, 98503160, 197006320, 394012640]

約数ペア:

[(1, 394012640), (2, 197006320), (4, 98503160), (5, 78802528), (7, 56287520), (8, 49251580), (10, 39401264), (14, 28143760), (16, 24625790), (20, 19700632), (28, 14071880), (32, 12312895), (35, 11257504), (40, 9850316), (56, 7035940), (70, 5628752), (80, 4925158), (112, 3517970), (140, 2814376), (160, 2462579), (224, 1758985), (280, 1407188), (560, 703594), (1120, 351797)]