8277545220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19708441}}^1$

素因数の和:19708460

約数の個数: 48

約数和(自身を含む): 26488146048

約数和(自身を除く): 18210600828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 19708441, 39416882, 59125323, 78833764, 98542205, 118250646, 137959087, 197084410, 236501292, 275918174, 295626615, 394168820, 413877261, 551836348, 591253230, 689795435, 827754522, 1182506460, 1379590870, 1655509044, 2069386305, 2759181740, 4138772610, 8277545220]

約数ペア:

[(1, 8277545220), (2, 4138772610), (3, 2759181740), (4, 2069386305), (5, 1655509044), (6, 1379590870), (7, 1182506460), (10, 827754522), (12, 689795435), (14, 591253230), (15, 551836348), (20, 413877261), (21, 394168820), (28, 295626615), (30, 275918174), (35, 236501292), (42, 197084410), (60, 137959087), (70, 118250646), (84, 98542205), (105, 78833764), (140, 59125323), (210, 39416882), (420, 19708441)]