421861.0000000

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{12911}}^1$

素因数の和:12931

約数の個数: 40

約数和(自身を含む): 19213056

約数和(自身を除く): 11982896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 12911, 25822, 51644, 64555, 90377, 103288, 129110, 180754, 206576, 258220, 361508, 451885, 516440, 723016, 903770, 1032880, 1446032, 1807540, 3615080, 7230160]

約数ペア:

[(1, 7230160), (2, 3615080), (4, 1807540), (5, 1446032), (7, 1032880), (8, 903770), (10, 723016), (14, 516440), (16, 451885), (20, 361508), (28, 258220), (35, 206576), (40, 180754), (56, 129110), (70, 103288), (80, 90377), (112, 64555), (140, 51644), (280, 25822), (560, 12911)]