7421970640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13253519}}^1$

素因数の和:13253539

約数の個数: 40

約数和(自身を含む): 19721237760

約数和(自身を除く): 12299267120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 13253519, 26507038, 53014076, 66267595, 92774633, 106028152, 132535190, 185549266, 212056304, 265070380, 371098532, 463873165, 530140760, 742197064, 927746330, 1060281520, 1484394128, 1855492660, 3710985320, 7421970640]

約数ペア:

[(1, 7421970640), (2, 3710985320), (4, 1855492660), (5, 1484394128), (7, 1060281520), (8, 927746330), (10, 742197064), (14, 530140760), (16, 463873165), (20, 371098532), (28, 265070380), (35, 212056304), (40, 185549266), (56, 132535190), (70, 106028152), (80, 92774633), (112, 66267595), (140, 53014076), (280, 26507038), (560, 13253519)]