197276720

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{19417}}^1$

素因数の和:19557

約数の個数: 40

約数和(自身を含む): 462303744

約数和(自身を除く): 265027024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 19417, 38834, 77668, 97085, 155336, 194170, 310672, 388340, 776680, 1553360, 2465959, 4931918, 9863836, 12329795, 19727672, 24659590, 39455344, 49319180, 98638360, 197276720]

約数ペア:

[(1, 197276720), (2, 98638360), (4, 49319180), (5, 39455344), (8, 24659590), (10, 19727672), (16, 12329795), (20, 9863836), (40, 4931918), (80, 2465959), (127, 1553360), (254, 776680), (508, 388340), (635, 310672), (1016, 194170), (1270, 155336), (2032, 97085), (2540, 77668), (5080, 38834), (10160, 19417)]