231631280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{152389}}^1$

素因数の和:152421

約数の個数: 40

約数和(自身を含む): 566890800

約数和(自身を除く): 335259520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 152389, 304778, 609556, 761945, 1219112, 1523890, 2438224, 2895391, 3047780, 5790782, 6095560, 11581564, 12191120, 14476955, 23163128, 28953910, 46326256, 57907820, 115815640, 231631280]

約数ペア:

[(1, 231631280), (2, 115815640), (4, 57907820), (5, 46326256), (8, 28953910), (10, 23163128), (16, 14476955), (19, 12191120), (20, 11581564), (38, 6095560), (40, 5790782), (76, 3047780), (80, 2895391), (95, 2438224), (152, 1523890), (190, 1219112), (304, 761945), (380, 609556), (760, 304778), (1520, 152389)]