308920640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{137911}}^1$

素因数の和:137935

約数の個数: 56

約数和(自身を含む): 840711552

約数和(自身を除く): 531790912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 137911, 275822, 551644, 689555, 965377, 1103288, 1379110, 1930754, 2206576, 2758220, 3861508, 4413152, 4826885, 5516440, 7723016, 8826304, 9653770, 11032880, 15446032, 19307540, 22065760, 30892064, 38615080, 44131520, 61784128, 77230160, 154460320, 308920640]

約数ペア:

[(1, 308920640), (2, 154460320), (4, 77230160), (5, 61784128), (7, 44131520), (8, 38615080), (10, 30892064), (14, 22065760), (16, 19307540), (20, 15446032), (28, 11032880), (32, 9653770), (35, 8826304), (40, 7723016), (56, 5516440), (64, 4826885), (70, 4413152), (80, 3861508), (112, 2758220), (140, 2206576), (160, 1930754), (224, 1379110), (280, 1103288), (320, 965377), (448, 689555), (560, 551644), (1120, 275822), (2240, 137911)]