413654320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{272141}}^1$

素因数の和:272173

約数の個数: 40

約数和(自身を含む): 1012368240

約数和(自身を除く): 598713920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 272141, 544282, 1088564, 1360705, 2177128, 2721410, 4354256, 5170679, 5442820, 10341358, 10885640, 20682716, 21771280, 25853395, 41365432, 51706790, 82730864, 103413580, 206827160, 413654320]

約数ペア:

[(1, 413654320), (2, 206827160), (4, 103413580), (5, 82730864), (8, 51706790), (10, 41365432), (16, 25853395), (19, 21771280), (20, 20682716), (38, 10885640), (40, 10341358), (76, 5442820), (80, 5170679), (95, 4354256), (152, 2721410), (190, 2177128), (304, 1360705), (380, 1088564), (760, 544282), (1520, 272141)]